Home / 11,957.52-16,500.88-6,652.20

Finding the Fourth Proportional to 11,957.52, 16,500.88 and 6,652.20

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Solution

The fourth proportional to 11,957.52, 16,500.88 and 6,652.20 is: 9,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.52 : 16,500.88 = 6,652.20 : x
  2. Step 2: Convert to fraction form
    11,957.52/16,500.88 = 6,652.20/x
  3. Step 3: Cross multiply
    11,957.52x = 16,500.88 × 6,652.20
  4. Step 4: Simplify right side
    11,957.52x = 109,767,153.94
  5. Step 5: Solve for x
    x = 109,767,153.94/11,957.52
  6. Step 6: Final answer
    x = 9,179.76

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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.