Home / 10,950.20-16,433.40-7,251.20

Finding the Fourth Proportional to 10,950.20, 16,433.40 and 7,251.20

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Solution

The fourth proportional to 10,950.20, 16,433.40 and 7,251.20 is: 10,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.20 : 16,433.40 = 7,251.20 : x
  2. Step 2: Convert to fraction form
    10,950.20/16,433.40 = 7,251.20/x
  3. Step 3: Cross multiply
    10,950.20x = 16,433.40 × 7,251.20
  4. Step 4: Simplify right side
    10,950.20x = 119,161,870.08
  5. Step 5: Solve for x
    x = 119,161,870.08/10,950.20
  6. Step 6: Final answer
    x = 10,882.16

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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.