Home / 10,356.47-15,534.86-2,565.28

Finding the Fourth Proportional to 10,356.47, 15,534.86 and 2,565.28

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Solution

The fourth proportional to 10,356.47, 15,534.86 and 2,565.28 is: 3,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.47 : 15,534.86 = 2,565.28 : x
  2. Step 2: Convert to fraction form
    10,356.47/15,534.86 = 2,565.28/x
  3. Step 3: Cross multiply
    10,356.47x = 15,534.86 × 2,565.28
  4. Step 4: Simplify right side
    10,356.47x = 39,851,272.25
  5. Step 5: Solve for x
    x = 39,851,272.25/10,356.47
  6. Step 6: Final answer
    x = 3,847.96

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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.