Home / 10,927.12-16,390.68-4,002.16

Finding the Fourth Proportional to 10,927.12, 16,390.68 and 4,002.16

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Solution

The fourth proportional to 10,927.12, 16,390.68 and 4,002.16 is: 6,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.12 : 16,390.68 = 4,002.16 : x
  2. Step 2: Convert to fraction form
    10,927.12/16,390.68 = 4,002.16/x
  3. Step 3: Cross multiply
    10,927.12x = 16,390.68 × 4,002.16
  4. Step 4: Simplify right side
    10,927.12x = 65,598,123.87
  5. Step 5: Solve for x
    x = 65,598,123.87/10,927.12
  6. Step 6: Final answer
    x = 6,003.24

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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.