Home / 10,915.24-16,357.50-4,755.88

Finding the Fourth Proportional to 10,915.24, 16,357.50 and 4,755.88

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Solution

The fourth proportional to 10,915.24, 16,357.50 and 4,755.88 is: 7,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.24 : 16,357.50 = 4,755.88 : x
  2. Step 2: Convert to fraction form
    10,915.24/16,357.50 = 4,755.88/x
  3. Step 3: Cross multiply
    10,915.24x = 16,357.50 × 4,755.88
  4. Step 4: Simplify right side
    10,915.24x = 77,794,307.10
  5. Step 5: Solve for x
    x = 77,794,307.10/10,915.24
  6. Step 6: Final answer
    x = 7,127.13

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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.