Home / 10,691.15-16,036.68-2,899.96

Finding the Fourth Proportional to 10,691.15, 16,036.68 and 2,899.96

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Solution

The fourth proportional to 10,691.15, 16,036.68 and 2,899.96 is: 4,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.15 : 16,036.68 = 2,899.96 : x
  2. Step 2: Convert to fraction form
    10,691.15/16,036.68 = 2,899.96/x
  3. Step 3: Cross multiply
    10,691.15x = 16,036.68 × 2,899.96
  4. Step 4: Simplify right side
    10,691.15x = 46,505,730.53
  5. Step 5: Solve for x
    x = 46,505,730.53/10,691.15
  6. Step 6: Final answer
    x = 4,349.93

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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.