Home / 8,331.76-12,459.72-6,224.88

Finding the Fourth Proportional to 8,331.76, 12,459.72 and 6,224.88

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Solution

The fourth proportional to 8,331.76, 12,459.72 and 6,224.88 is: 9,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.76 : 12,459.72 = 6,224.88 : x
  2. Step 2: Convert to fraction form
    8,331.76/12,459.72 = 6,224.88/x
  3. Step 3: Cross multiply
    8,331.76x = 12,459.72 × 6,224.88
  4. Step 4: Simplify right side
    8,331.76x = 77,560,261.83
  5. Step 5: Solve for x
    x = 77,560,261.83/8,331.76
  6. Step 6: Final answer
    x = 9,308.99

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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.