Home / 11,332.64-16,999.68-4,757.76

Finding the Fourth Proportional to 11,332.64, 16,999.68 and 4,757.76

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Solution

The fourth proportional to 11,332.64, 16,999.68 and 4,757.76 is: 7,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.64 : 16,999.68 = 4,757.76 : x
  2. Step 2: Convert to fraction form
    11,332.64/16,999.68 = 4,757.76/x
  3. Step 3: Cross multiply
    11,332.64x = 16,999.68 × 4,757.76
  4. Step 4: Simplify right side
    11,332.64x = 80,880,397.52
  5. Step 5: Solve for x
    x = 80,880,397.52/11,332.64
  6. Step 6: Final answer
    x = 7,136.94

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1.5x scale

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.