Home / 8,251.13-11,386.98-4,715.48

Finding the Fourth Proportional to 8,251.13, 11,386.98 and 4,715.48

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Solution

The fourth proportional to 8,251.13, 11,386.98 and 4,715.48 is: 6,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.13 : 11,386.98 = 4,715.48 : x
  2. Step 2: Convert to fraction form
    8,251.13/11,386.98 = 4,715.48/x
  3. Step 3: Cross multiply
    8,251.13x = 11,386.98 × 4,715.48
  4. Step 4: Simplify right side
    8,251.13x = 53,695,104.92
  5. Step 5: Solve for x
    x = 53,695,104.92/8,251.13
  6. Step 6: Final answer
    x = 6,507.60

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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.