Home / 11,957.20-16,501.24-6,651.70

Finding the Fourth Proportional to 11,957.20, 16,501.24 and 6,651.70

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Solution

The fourth proportional to 11,957.20, 16,501.24 and 6,651.70 is: 9,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.20 : 16,501.24 = 6,651.70 : x
  2. Step 2: Convert to fraction form
    11,957.20/16,501.24 = 6,651.70/x
  3. Step 3: Cross multiply
    11,957.20x = 16,501.24 × 6,651.70
  4. Step 4: Simplify right side
    11,957.20x = 109,761,298.11
  5. Step 5: Solve for x
    x = 109,761,298.11/11,957.20
  6. Step 6: Final answer
    x = 9,179.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.