Home / 34,872.35-52,319.45-11,515.19

Finding the Fourth Proportional to 34,872.35, 52,319.45 and 11,515.19

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Solution

The fourth proportional to 34,872.35, 52,319.45 and 11,515.19 is: 17,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.35 : 52,319.45 = 11,515.19 : x
  2. Step 2: Convert to fraction form
    34,872.35/52,319.45 = 11,515.19/x
  3. Step 3: Cross multiply
    34,872.35x = 52,319.45 × 11,515.19
  4. Step 4: Simplify right side
    34,872.35x = 602,468,174.64
  5. Step 5: Solve for x
    x = 602,468,174.64/34,872.35
  6. Step 6: Final answer
    x = 17,276.39

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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.