Home / 10,902.60-16,345.68-5,631.93

Finding the Fourth Proportional to 10,902.60, 16,345.68 and 5,631.93

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Solution

The fourth proportional to 10,902.60, 16,345.68 and 5,631.93 is: 8,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.60 : 16,345.68 = 5,631.93 : x
  2. Step 2: Convert to fraction form
    10,902.60/16,345.68 = 5,631.93/x
  3. Step 3: Cross multiply
    10,902.60x = 16,345.68 × 5,631.93
  4. Step 4: Simplify right side
    10,902.60x = 92,057,725.56
  5. Step 5: Solve for x
    x = 92,057,725.56/10,902.60
  6. Step 6: Final answer
    x = 8,443.65

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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.