Home / 8,247.92-11,382.42-4,711.08

Finding the Fourth Proportional to 8,247.92, 11,382.42 and 4,711.08

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Solution

The fourth proportional to 8,247.92, 11,382.42 and 4,711.08 is: 6,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.92 : 11,382.42 = 4,711.08 : x
  2. Step 2: Convert to fraction form
    8,247.92/11,382.42 = 4,711.08/x
  3. Step 3: Cross multiply
    8,247.92x = 11,382.42 × 4,711.08
  4. Step 4: Simplify right side
    8,247.92x = 53,623,491.21
  5. Step 5: Solve for x
    x = 53,623,491.21/8,247.92
  6. Step 6: Final answer
    x = 6,501.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.