Home / 11,125.24-16,753.57-9,681.76

Finding the Fourth Proportional to 11,125.24, 16,753.57 and 9,681.76

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Solution

The fourth proportional to 11,125.24, 16,753.57 and 9,681.76 is: 14,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.24 : 16,753.57 = 9,681.76 : x
  2. Step 2: Convert to fraction form
    11,125.24/16,753.57 = 9,681.76/x
  3. Step 3: Cross multiply
    11,125.24x = 16,753.57 × 9,681.76
  4. Step 4: Simplify right side
    11,125.24x = 162,204,043.88
  5. Step 5: Solve for x
    x = 162,204,043.88/11,125.24
  6. Step 6: Final answer
    x = 14,579.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.