Home / 11,061.44-15,270.28-7,543.13

Finding the Fourth Proportional to 11,061.44, 15,270.28 and 7,543.13

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Solution

The fourth proportional to 11,061.44, 15,270.28 and 7,543.13 is: 10,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.44 : 15,270.28 = 7,543.13 : x
  2. Step 2: Convert to fraction form
    11,061.44/15,270.28 = 7,543.13/x
  3. Step 3: Cross multiply
    11,061.44x = 15,270.28 × 7,543.13
  4. Step 4: Simplify right side
    11,061.44x = 115,185,726.49
  5. Step 5: Solve for x
    x = 115,185,726.49/11,061.44
  6. Step 6: Final answer
    x = 10,413.27

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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.