Home / 9,327.52-12,872.22-5,136.04

Finding the Fourth Proportional to 9,327.52, 12,872.22 and 5,136.04

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Solution

The fourth proportional to 9,327.52, 12,872.22 and 5,136.04 is: 7,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.52 : 12,872.22 = 5,136.04 : x
  2. Step 2: Convert to fraction form
    9,327.52/12,872.22 = 5,136.04/x
  3. Step 3: Cross multiply
    9,327.52x = 12,872.22 × 5,136.04
  4. Step 4: Simplify right side
    9,327.52x = 66,112,236.81
  5. Step 5: Solve for x
    x = 66,112,236.81/9,327.52
  6. Step 6: Final answer
    x = 7,087.87

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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.