Home / 8,950.12-12,343.62-6,717.22

Finding the Fourth Proportional to 8,950.12, 12,343.62 and 6,717.22

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Solution

The fourth proportional to 8,950.12, 12,343.62 and 6,717.22 is: 9,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.12 : 12,343.62 = 6,717.22 : x
  2. Step 2: Convert to fraction form
    8,950.12/12,343.62 = 6,717.22/x
  3. Step 3: Cross multiply
    8,950.12x = 12,343.62 × 6,717.22
  4. Step 4: Simplify right side
    8,950.12x = 82,914,811.14
  5. Step 5: Solve for x
    x = 82,914,811.14/8,950.12
  6. Step 6: Final answer
    x = 9,264.10

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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.