Home / 11,572.16-17,386.76-7,413.96

Finding the Fourth Proportional to 11,572.16, 17,386.76 and 7,413.96

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Solution

The fourth proportional to 11,572.16, 17,386.76 and 7,413.96 is: 11,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.16 : 17,386.76 = 7,413.96 : x
  2. Step 2: Convert to fraction form
    11,572.16/17,386.76 = 7,413.96/x
  3. Step 3: Cross multiply
    11,572.16x = 17,386.76 × 7,413.96
  4. Step 4: Simplify right side
    11,572.16x = 128,904,743.17
  5. Step 5: Solve for x
    x = 128,904,743.17/11,572.16
  6. Step 6: Final answer
    x = 11,139.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.