Home / 8,145.92-11,240.84-4,560.28

Finding the Fourth Proportional to 8,145.92, 11,240.84 and 4,560.28

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Solution

The fourth proportional to 8,145.92, 11,240.84 and 4,560.28 is: 6,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.92 : 11,240.84 = 4,560.28 : x
  2. Step 2: Convert to fraction form
    8,145.92/11,240.84 = 4,560.28/x
  3. Step 3: Cross multiply
    8,145.92x = 11,240.84 × 4,560.28
  4. Step 4: Simplify right side
    8,145.92x = 51,261,377.84
  5. Step 5: Solve for x
    x = 51,261,377.84/8,145.92
  6. Step 6: Final answer
    x = 6,292.89

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Half scale
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Double scale
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Similar ratio
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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.