Home / 8,159.30-11,249.12-5,888.74

Finding the Fourth Proportional to 8,159.30, 11,249.12 and 5,888.74

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Solution

The fourth proportional to 8,159.30, 11,249.12 and 5,888.74 is: 8,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.30 : 11,249.12 = 5,888.74 : x
  2. Step 2: Convert to fraction form
    8,159.30/11,249.12 = 5,888.74/x
  3. Step 3: Cross multiply
    8,159.30x = 11,249.12 × 5,888.74
  4. Step 4: Simplify right side
    8,159.30x = 66,243,142.91
  5. Step 5: Solve for x
    x = 66,243,142.91/8,159.30
  6. Step 6: Final answer
    x = 8,118.73

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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.