Home / 10,471.42-14,448.52-6,691.68

Finding the Fourth Proportional to 10,471.42, 14,448.52 and 6,691.68

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Solution

The fourth proportional to 10,471.42, 14,448.52 and 6,691.68 is: 9,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.42 : 14,448.52 = 6,691.68 : x
  2. Step 2: Convert to fraction form
    10,471.42/14,448.52 = 6,691.68/x
  3. Step 3: Cross multiply
    10,471.42x = 14,448.52 × 6,691.68
  4. Step 4: Simplify right side
    10,471.42x = 96,684,872.31
  5. Step 5: Solve for x
    x = 96,684,872.31/10,471.42
  6. Step 6: Final answer
    x = 9,233.22

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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.