Home / 10,691.13-16,032.57-4,454.08

Finding the Fourth Proportional to 10,691.13, 16,032.57 and 4,454.08

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Solution

The fourth proportional to 10,691.13, 16,032.57 and 4,454.08 is: 6,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.13 : 16,032.57 = 4,454.08 : x
  2. Step 2: Convert to fraction form
    10,691.13/16,032.57 = 4,454.08/x
  3. Step 3: Cross multiply
    10,691.13x = 16,032.57 × 4,454.08
  4. Step 4: Simplify right side
    10,691.13x = 71,410,349.39
  5. Step 5: Solve for x
    x = 71,410,349.39/10,691.13
  6. Step 6: Final answer
    x = 6,679.40

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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.