Home / 8,131.29-11,221.85-4,595.17

Finding the Fourth Proportional to 8,131.29, 11,221.85 and 4,595.17

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Solution

The fourth proportional to 8,131.29, 11,221.85 and 4,595.17 is: 6,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.29 : 11,221.85 = 4,595.17 : x
  2. Step 2: Convert to fraction form
    8,131.29/11,221.85 = 4,595.17/x
  3. Step 3: Cross multiply
    8,131.29x = 11,221.85 × 4,595.17
  4. Step 4: Simplify right side
    8,131.29x = 51,566,308.46
  5. Step 5: Solve for x
    x = 51,566,308.46/8,131.29
  6. Step 6: Final answer
    x = 6,341.71

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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.