Home / 8,997.47-12,416.15-5,018.49

Finding the Fourth Proportional to 8,997.47, 12,416.15 and 5,018.49

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Solution

The fourth proportional to 8,997.47, 12,416.15 and 5,018.49 is: 6,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.47 : 12,416.15 = 5,018.49 : x
  2. Step 2: Convert to fraction form
    8,997.47/12,416.15 = 5,018.49/x
  3. Step 3: Cross multiply
    8,997.47x = 12,416.15 × 5,018.49
  4. Step 4: Simplify right side
    8,997.47x = 62,310,324.61
  5. Step 5: Solve for x
    x = 62,310,324.61/8,997.47
  6. Step 6: Final answer
    x = 6,925.32

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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.