Home / 10,585.42-15,876.30-3,921.14

Finding the Fourth Proportional to 10,585.42, 15,876.30 and 3,921.14

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Solution

The fourth proportional to 10,585.42, 15,876.30 and 3,921.14 is: 5,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,585.42 : 15,876.30 = 3,921.14 : x
  2. Step 2: Convert to fraction form
    10,585.42/15,876.30 = 3,921.14/x
  3. Step 3: Cross multiply
    10,585.42x = 15,876.30 × 3,921.14
  4. Step 4: Simplify right side
    10,585.42x = 62,253,249.38
  5. Step 5: Solve for x
    x = 62,253,249.38/10,585.42
  6. Step 6: Final answer
    x = 5,881.04

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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.