Home / 10,711.55-16,071.90-4,472.95

Finding the Fourth Proportional to 10,711.55, 16,071.90 and 4,472.95

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Solution

The fourth proportional to 10,711.55, 16,071.90 and 4,472.95 is: 6,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.55 : 16,071.90 = 4,472.95 : x
  2. Step 2: Convert to fraction form
    10,711.55/16,071.90 = 4,472.95/x
  3. Step 3: Cross multiply
    10,711.55x = 16,071.90 × 4,472.95
  4. Step 4: Simplify right side
    10,711.55x = 71,888,805.11
  5. Step 5: Solve for x
    x = 71,888,805.11/10,711.55
  6. Step 6: Final answer
    x = 6,711.34

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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.