Home / 10,521.46-15,803.20-6,579.73

Finding the Fourth Proportional to 10,521.46, 15,803.20 and 6,579.73

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Solution

The fourth proportional to 10,521.46, 15,803.20 and 6,579.73 is: 9,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.46 : 15,803.20 = 6,579.73 : x
  2. Step 2: Convert to fraction form
    10,521.46/15,803.20 = 6,579.73/x
  3. Step 3: Cross multiply
    10,521.46x = 15,803.20 × 6,579.73
  4. Step 4: Simplify right side
    10,521.46x = 103,980,789.14
  5. Step 5: Solve for x
    x = 103,980,789.14/10,521.46
  6. Step 6: Final answer
    x = 9,882.73

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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.