Home / 12,392.72-18,589.93-4,997.24

Finding the Fourth Proportional to 12,392.72, 18,589.93 and 4,997.24

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Solution

The fourth proportional to 12,392.72, 18,589.93 and 4,997.24 is: 7,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.72 : 18,589.93 = 4,997.24 : x
  2. Step 2: Convert to fraction form
    12,392.72/18,589.93 = 4,997.24/x
  3. Step 3: Cross multiply
    12,392.72x = 18,589.93 × 4,997.24
  4. Step 4: Simplify right side
    12,392.72x = 92,898,341.79
  5. Step 5: Solve for x
    x = 92,898,341.79/12,392.72
  6. Step 6: Final answer
    x = 7,496.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.