Home / 9,222.28-12,732.36-6,238.60

Finding the Fourth Proportional to 9,222.28, 12,732.36 and 6,238.60

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Solution

The fourth proportional to 9,222.28, 12,732.36 and 6,238.60 is: 8,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.28 : 12,732.36 = 6,238.60 : x
  2. Step 2: Convert to fraction form
    9,222.28/12,732.36 = 6,238.60/x
  3. Step 3: Cross multiply
    9,222.28x = 12,732.36 × 6,238.60
  4. Step 4: Simplify right side
    9,222.28x = 79,432,101.10
  5. Step 5: Solve for x
    x = 79,432,101.10/9,222.28
  6. Step 6: Final answer
    x = 8,613.07

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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.