Home / 8,264.44-12,390.60-5,306.22

Finding the Fourth Proportional to 8,264.44, 12,390.60 and 5,306.22

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Solution

The fourth proportional to 8,264.44, 12,390.60 and 5,306.22 is: 7,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.44 : 12,390.60 = 5,306.22 : x
  2. Step 2: Convert to fraction form
    8,264.44/12,390.60 = 5,306.22/x
  3. Step 3: Cross multiply
    8,264.44x = 12,390.60 × 5,306.22
  4. Step 4: Simplify right side
    8,264.44x = 65,747,249.53
  5. Step 5: Solve for x
    x = 65,747,249.53/8,264.44
  6. Step 6: Final answer
    x = 7,955.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.