Home / 10,041.71-13,857.66-5,565.53

Finding the Fourth Proportional to 10,041.71, 13,857.66 and 5,565.53

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Solution

The fourth proportional to 10,041.71, 13,857.66 and 5,565.53 is: 7,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.71 : 13,857.66 = 5,565.53 : x
  2. Step 2: Convert to fraction form
    10,041.71/13,857.66 = 5,565.53/x
  3. Step 3: Cross multiply
    10,041.71x = 13,857.66 × 5,565.53
  4. Step 4: Simplify right side
    10,041.71x = 77,125,257.10
  5. Step 5: Solve for x
    x = 77,125,257.10/10,041.71
  6. Step 6: Final answer
    x = 7,680.49

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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.