Home / 12,413.52-17,130.75-7,108.23

Finding the Fourth Proportional to 12,413.52, 17,130.75 and 7,108.23

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Solution

The fourth proportional to 12,413.52, 17,130.75 and 7,108.23 is: 9,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.52 : 17,130.75 = 7,108.23 : x
  2. Step 2: Convert to fraction form
    12,413.52/17,130.75 = 7,108.23/x
  3. Step 3: Cross multiply
    12,413.52x = 17,130.75 × 7,108.23
  4. Step 4: Simplify right side
    12,413.52x = 121,769,311.07
  5. Step 5: Solve for x
    x = 121,769,311.07/12,413.52
  6. Step 6: Final answer
    x = 9,809.41

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Find fourth proportional to 6,206.76, 8,565.38 and 3,554.12
Half scale
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Double scale
Find fourth proportional to 12,414.52, 17,132.13 and 7,109.23
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.