Home / 8,878.68-12,254.67-5,104.03

Finding the Fourth Proportional to 8,878.68, 12,254.67 and 5,104.03

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Solution

The fourth proportional to 8,878.68, 12,254.67 and 5,104.03 is: 7,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.68 : 12,254.67 = 5,104.03 : x
  2. Step 2: Convert to fraction form
    8,878.68/12,254.67 = 5,104.03/x
  3. Step 3: Cross multiply
    8,878.68x = 12,254.67 × 5,104.03
  4. Step 4: Simplify right side
    8,878.68x = 62,548,177.80
  5. Step 5: Solve for x
    x = 62,548,177.80/8,878.68
  6. Step 6: Final answer
    x = 7,044.76

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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.