Home / 11,381.85-17,061.05-4,359.96

Finding the Fourth Proportional to 11,381.85, 17,061.05 and 4,359.96

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Solution

The fourth proportional to 11,381.85, 17,061.05 and 4,359.96 is: 6,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.85 : 17,061.05 = 4,359.96 : x
  2. Step 2: Convert to fraction form
    11,381.85/17,061.05 = 4,359.96/x
  3. Step 3: Cross multiply
    11,381.85x = 17,061.05 × 4,359.96
  4. Step 4: Simplify right side
    11,381.85x = 74,385,506.46
  5. Step 5: Solve for x
    x = 74,385,506.46/11,381.85
  6. Step 6: Final answer
    x = 6,535.45

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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.