Home / 8,414.61-11,612.12-4,586.25

Finding the Fourth Proportional to 8,414.61, 11,612.12 and 4,586.25

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Solution

The fourth proportional to 8,414.61, 11,612.12 and 4,586.25 is: 6,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.61 : 11,612.12 = 4,586.25 : x
  2. Step 2: Convert to fraction form
    8,414.61/11,612.12 = 4,586.25/x
  3. Step 3: Cross multiply
    8,414.61x = 11,612.12 × 4,586.25
  4. Step 4: Simplify right side
    8,414.61x = 53,256,018.87
  5. Step 5: Solve for x
    x = 53,256,018.87/8,414.61
  6. Step 6: Final answer
    x = 6,328.99

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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.