Home / 7,924.59-11,882.89-2,657.76

Finding the Fourth Proportional to 7,924.59, 11,882.89 and 2,657.76

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Solution

The fourth proportional to 7,924.59, 11,882.89 and 2,657.76 is: 3,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.59 : 11,882.89 = 2,657.76 : x
  2. Step 2: Convert to fraction form
    7,924.59/11,882.89 = 2,657.76/x
  3. Step 3: Cross multiply
    7,924.59x = 11,882.89 × 2,657.76
  4. Step 4: Simplify right side
    7,924.59x = 31,581,869.73
  5. Step 5: Solve for x
    x = 31,581,869.73/7,924.59
  6. Step 6: Final answer
    x = 3,985.30

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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.