Home / 8,117.72-11,202.23-4,580.65

Finding the Fourth Proportional to 8,117.72, 11,202.23 and 4,580.65

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Solution

The fourth proportional to 8,117.72, 11,202.23 and 4,580.65 is: 6,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.72 : 11,202.23 = 4,580.65 : x
  2. Step 2: Convert to fraction form
    8,117.72/11,202.23 = 4,580.65/x
  3. Step 3: Cross multiply
    8,117.72x = 11,202.23 × 4,580.65
  4. Step 4: Simplify right side
    8,117.72x = 51,313,520.30
  5. Step 5: Solve for x
    x = 51,313,520.30/8,117.72
  6. Step 6: Final answer
    x = 6,321.17

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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.