Home / 8,145.53-11,240.76-4,608.87

Finding the Fourth Proportional to 8,145.53, 11,240.76 and 4,608.87

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Solution

The fourth proportional to 8,145.53, 11,240.76 and 4,608.87 is: 6,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.53 : 11,240.76 = 4,608.87 : x
  2. Step 2: Convert to fraction form
    8,145.53/11,240.76 = 4,608.87/x
  3. Step 3: Cross multiply
    8,145.53x = 11,240.76 × 4,608.87
  4. Step 4: Simplify right side
    8,145.53x = 51,807,201.54
  5. Step 5: Solve for x
    x = 51,807,201.54/8,145.53
  6. Step 6: Final answer
    x = 6,360.20

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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.