Home / 8,174.12-11,276.42-5,522.45

Finding the Fourth Proportional to 8,174.12, 11,276.42 and 5,522.45

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Solution

The fourth proportional to 8,174.12, 11,276.42 and 5,522.45 is: 7,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.12 : 11,276.42 = 5,522.45 : x
  2. Step 2: Convert to fraction form
    8,174.12/11,276.42 = 5,522.45/x
  3. Step 3: Cross multiply
    8,174.12x = 11,276.42 × 5,522.45
  4. Step 4: Simplify right side
    8,174.12x = 62,273,381.63
  5. Step 5: Solve for x
    x = 62,273,381.63/8,174.12
  6. Step 6: Final answer
    x = 7,618.36

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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.