Home / 10,282.63-15,423.96-2,491.42

Finding the Fourth Proportional to 10,282.63, 15,423.96 and 2,491.42

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Solution

The fourth proportional to 10,282.63, 15,423.96 and 2,491.42 is: 3,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.63 : 15,423.96 = 2,491.42 : x
  2. Step 2: Convert to fraction form
    10,282.63/15,423.96 = 2,491.42/x
  3. Step 3: Cross multiply
    10,282.63x = 15,423.96 × 2,491.42
  4. Step 4: Simplify right side
    10,282.63x = 38,427,562.42
  5. Step 5: Solve for x
    x = 38,427,562.42/10,282.63
  6. Step 6: Final answer
    x = 3,737.13

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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.