Home / 10,947.28-16,417.92-3,925.99

Finding the Fourth Proportional to 10,947.28, 16,417.92 and 3,925.99

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Solution

The fourth proportional to 10,947.28, 16,417.92 and 3,925.99 is: 5,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.28 : 16,417.92 = 3,925.99 : x
  2. Step 2: Convert to fraction form
    10,947.28/16,417.92 = 3,925.99/x
  3. Step 3: Cross multiply
    10,947.28x = 16,417.92 × 3,925.99
  4. Step 4: Simplify right side
    10,947.28x = 64,456,589.74
  5. Step 5: Solve for x
    x = 64,456,589.74/10,947.28
  6. Step 6: Final answer
    x = 5,887.91

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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.