Home / 10,167.57-15,244.07-4,320.99

Finding the Fourth Proportional to 10,167.57, 15,244.07 and 4,320.99

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Solution

The fourth proportional to 10,167.57, 15,244.07 and 4,320.99 is: 6,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.57 : 15,244.07 = 4,320.99 : x
  2. Step 2: Convert to fraction form
    10,167.57/15,244.07 = 4,320.99/x
  3. Step 3: Cross multiply
    10,167.57x = 15,244.07 × 4,320.99
  4. Step 4: Simplify right side
    10,167.57x = 65,869,452.42
  5. Step 5: Solve for x
    x = 65,869,452.42/10,167.57
  6. Step 6: Final answer
    x = 6,478.39

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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.