Home / 8,949.12-12,342.24-6,716.22

Finding the Fourth Proportional to 8,949.12, 12,342.24 and 6,716.22

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Solution

The fourth proportional to 8,949.12, 12,342.24 and 6,716.22 is: 9,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.12 : 12,342.24 = 6,716.22 : x
  2. Step 2: Convert to fraction form
    8,949.12/12,342.24 = 6,716.22/x
  3. Step 3: Cross multiply
    8,949.12x = 12,342.24 × 6,716.22
  4. Step 4: Simplify right side
    8,949.12x = 82,893,199.13
  5. Step 5: Solve for x
    x = 82,893,199.13/8,949.12
  6. Step 6: Final answer
    x = 9,262.72

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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.