Home / 10,856.28-16,286.79-4,616.46

Finding the Fourth Proportional to 10,856.28, 16,286.79 and 4,616.46

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Solution

The fourth proportional to 10,856.28, 16,286.79 and 4,616.46 is: 6,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.28 : 16,286.79 = 4,616.46 : x
  2. Step 2: Convert to fraction form
    10,856.28/16,286.79 = 4,616.46/x
  3. Step 3: Cross multiply
    10,856.28x = 16,286.79 × 4,616.46
  4. Step 4: Simplify right side
    10,856.28x = 75,187,314.56
  5. Step 5: Solve for x
    x = 75,187,314.56/10,856.28
  6. Step 6: Final answer
    x = 6,925.70

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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.