Home / 9,112.76-12,576.15-6,082.68

Finding the Fourth Proportional to 9,112.76, 12,576.15 and 6,082.68

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Solution

The fourth proportional to 9,112.76, 12,576.15 and 6,082.68 is: 8,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.76 : 12,576.15 = 6,082.68 : x
  2. Step 2: Convert to fraction form
    9,112.76/12,576.15 = 6,082.68/x
  3. Step 3: Cross multiply
    9,112.76x = 12,576.15 × 6,082.68
  4. Step 4: Simplify right side
    9,112.76x = 76,496,696.08
  5. Step 5: Solve for x
    x = 76,496,696.08/9,112.76
  6. Step 6: Final answer
    x = 8,394.46

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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.