Home / 8,839.91-12,197.49-5,011.56

Finding the Fourth Proportional to 8,839.91, 12,197.49 and 5,011.56

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Solution

The fourth proportional to 8,839.91, 12,197.49 and 5,011.56 is: 6,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.91 : 12,197.49 = 5,011.56 : x
  2. Step 2: Convert to fraction form
    8,839.91/12,197.49 = 5,011.56/x
  3. Step 3: Cross multiply
    8,839.91x = 12,197.49 × 5,011.56
  4. Step 4: Simplify right side
    8,839.91x = 61,128,452.98
  5. Step 5: Solve for x
    x = 61,128,452.98/8,839.91
  6. Step 6: Final answer
    x = 6,915.06

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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.