Home / 7,849.71-11,767.28-6,377.13

Finding the Fourth Proportional to 7,849.71, 11,767.28 and 6,377.13

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Solution

The fourth proportional to 7,849.71, 11,767.28 and 6,377.13 is: 9,559.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.71 : 11,767.28 = 6,377.13 : x
  2. Step 2: Convert to fraction form
    7,849.71/11,767.28 = 6,377.13/x
  3. Step 3: Cross multiply
    7,849.71x = 11,767.28 × 6,377.13
  4. Step 4: Simplify right side
    7,849.71x = 75,041,442.42
  5. Step 5: Solve for x
    x = 75,041,442.42/7,849.71
  6. Step 6: Final answer
    x = 9,559.77

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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.