Home / 12,451.99-17,180.08-7,413.69

Finding the Fourth Proportional to 12,451.99, 17,180.08 and 7,413.69

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Solution

The fourth proportional to 12,451.99, 17,180.08 and 7,413.69 is: 10,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.99 : 17,180.08 = 7,413.69 : x
  2. Step 2: Convert to fraction form
    12,451.99/17,180.08 = 7,413.69/x
  3. Step 3: Cross multiply
    12,451.99x = 17,180.08 × 7,413.69
  4. Step 4: Simplify right side
    12,451.99x = 127,367,787.30
  5. Step 5: Solve for x
    x = 127,367,787.30/12,451.99
  6. Step 6: Final answer
    x = 10,228.71

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Find fourth proportional to 6,226.00, 8,590.04 and 3,706.85
Half scale
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Double scale
Find fourth proportional to 12,452.99, 17,181.46 and 7,414.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.