Home / 9,212.17-12,708.03-6,229.06

Finding the Fourth Proportional to 9,212.17, 12,708.03 and 6,229.06

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Solution

The fourth proportional to 9,212.17, 12,708.03 and 6,229.06 is: 8,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.17 : 12,708.03 = 6,229.06 : x
  2. Step 2: Convert to fraction form
    9,212.17/12,708.03 = 6,229.06/x
  3. Step 3: Cross multiply
    9,212.17x = 12,708.03 × 6,229.06
  4. Step 4: Simplify right side
    9,212.17x = 79,159,081.35
  5. Step 5: Solve for x
    x = 79,159,081.35/9,212.17
  6. Step 6: Final answer
    x = 8,592.88

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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.