Home / 8,981.18-12,393.66-5,002.22

Finding the Fourth Proportional to 8,981.18, 12,393.66 and 5,002.22

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Solution

The fourth proportional to 8,981.18, 12,393.66 and 5,002.22 is: 6,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.18 : 12,393.66 = 5,002.22 : x
  2. Step 2: Convert to fraction form
    8,981.18/12,393.66 = 5,002.22/x
  3. Step 3: Cross multiply
    8,981.18x = 12,393.66 × 5,002.22
  4. Step 4: Simplify right side
    8,981.18x = 61,995,813.93
  5. Step 5: Solve for x
    x = 61,995,813.93/8,981.18
  6. Step 6: Final answer
    x = 6,902.86

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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.