Home / 10,670.59-15,983.56-8,579.27

Finding the Fourth Proportional to 10,670.59, 15,983.56 and 8,579.27

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Solution

The fourth proportional to 10,670.59, 15,983.56 and 8,579.27 is: 12,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.59 : 15,983.56 = 8,579.27 : x
  2. Step 2: Convert to fraction form
    10,670.59/15,983.56 = 8,579.27/x
  3. Step 3: Cross multiply
    10,670.59x = 15,983.56 × 8,579.27
  4. Step 4: Simplify right side
    10,670.59x = 137,127,276.80
  5. Step 5: Solve for x
    x = 137,127,276.80/10,670.59
  6. Step 6: Final answer
    x = 12,850.96

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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.