Home / 10,723.28-16,085.52-2,931.92

Finding the Fourth Proportional to 10,723.28, 16,085.52 and 2,931.92

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Solution

The fourth proportional to 10,723.28, 16,085.52 and 2,931.92 is: 4,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,723.28 : 16,085.52 = 2,931.92 : x
  2. Step 2: Convert to fraction form
    10,723.28/16,085.52 = 2,931.92/x
  3. Step 3: Cross multiply
    10,723.28x = 16,085.52 × 2,931.92
  4. Step 4: Simplify right side
    10,723.28x = 47,161,457.80
  5. Step 5: Solve for x
    x = 47,161,457.80/10,723.28
  6. Step 6: Final answer
    x = 4,398.04

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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.