Home / 9,417.92-12,996.78-5,226.18

Finding the Fourth Proportional to 9,417.92, 12,996.78 and 5,226.18

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Solution

The fourth proportional to 9,417.92, 12,996.78 and 5,226.18 is: 7,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.92 : 12,996.78 = 5,226.18 : x
  2. Step 2: Convert to fraction form
    9,417.92/12,996.78 = 5,226.18/x
  3. Step 3: Cross multiply
    9,417.92x = 12,996.78 × 5,226.18
  4. Step 4: Simplify right side
    9,417.92x = 67,923,511.70
  5. Step 5: Solve for x
    x = 67,923,511.70/9,417.92
  6. Step 6: Final answer
    x = 7,212.16

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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.