Home / 10,673.38-16,002.13-5,121.44

Finding the Fourth Proportional to 10,673.38, 16,002.13 and 5,121.44

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Solution

The fourth proportional to 10,673.38, 16,002.13 and 5,121.44 is: 7,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673.38 : 16,002.13 = 5,121.44 : x
  2. Step 2: Convert to fraction form
    10,673.38/16,002.13 = 5,121.44/x
  3. Step 3: Cross multiply
    10,673.38x = 16,002.13 × 5,121.44
  4. Step 4: Simplify right side
    10,673.38x = 81,953,948.67
  5. Step 5: Solve for x
    x = 81,953,948.67/10,673.38
  6. Step 6: Final answer
    x = 7,678.35

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1.5x scale

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.