Home / 12,453.18-17,177.52-7,413.63

Finding the Fourth Proportional to 12,453.18, 17,177.52 and 7,413.63

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Solution

The fourth proportional to 12,453.18, 17,177.52 and 7,413.63 is: 10,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.18 : 17,177.52 = 7,413.63 : x
  2. Step 2: Convert to fraction form
    12,453.18/17,177.52 = 7,413.63/x
  3. Step 3: Cross multiply
    12,453.18x = 17,177.52 × 7,413.63
  4. Step 4: Simplify right side
    12,453.18x = 127,347,777.60
  5. Step 5: Solve for x
    x = 127,347,777.60/12,453.18
  6. Step 6: Final answer
    x = 10,226.13

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Half scale
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Double scale
Find fourth proportional to 12,454.18, 17,178.90 and 7,414.63
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.