Home / 8,255.38-11,401.41-5,607.22

Finding the Fourth Proportional to 8,255.38, 11,401.41 and 5,607.22

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Solution

The fourth proportional to 8,255.38, 11,401.41 and 5,607.22 is: 7,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.38 : 11,401.41 = 5,607.22 : x
  2. Step 2: Convert to fraction form
    8,255.38/11,401.41 = 5,607.22/x
  3. Step 3: Cross multiply
    8,255.38x = 11,401.41 × 5,607.22
  4. Step 4: Simplify right side
    8,255.38x = 63,930,214.18
  5. Step 5: Solve for x
    x = 63,930,214.18/8,255.38
  6. Step 6: Final answer
    x = 7,744.07

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Half scale
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Double scale
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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.