Home / 10,927.20-16,385.04-4,764

Finding the Fourth Proportional to 10,927.20, 16,385.04 and 4,764

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Solution

The fourth proportional to 10,927.20, 16,385.04 and 4,764 is: 7,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.20 : 16,385.04 = 4,764 : x
  2. Step 2: Convert to fraction form
    10,927.20/16,385.04 = 4,764/x
  3. Step 3: Cross multiply
    10,927.20x = 16,385.04 × 4,764
  4. Step 4: Simplify right side
    10,927.20x = 78,058,330.56
  5. Step 5: Solve for x
    x = 78,058,330.56/10,927.20
  6. Step 6: Final answer
    x = 7,143.49

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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.