Home / 8,950.12-12,343.60-6,717.24

Finding the Fourth Proportional to 8,950.12, 12,343.60 and 6,717.24

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Solution

The fourth proportional to 8,950.12, 12,343.60 and 6,717.24 is: 9,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.12 : 12,343.60 = 6,717.24 : x
  2. Step 2: Convert to fraction form
    8,950.12/12,343.60 = 6,717.24/x
  3. Step 3: Cross multiply
    8,950.12x = 12,343.60 × 6,717.24
  4. Step 4: Simplify right side
    8,950.12x = 82,914,923.66
  5. Step 5: Solve for x
    x = 82,914,923.66/8,950.12
  6. Step 6: Final answer
    x = 9,264.11

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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.