Home / 12,997.47-19,496.21-4,233.27

Finding the Fourth Proportional to 12,997.47, 19,496.21 and 4,233.27

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Solution

The fourth proportional to 12,997.47, 19,496.21 and 4,233.27 is: 6,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997.47 : 19,496.21 = 4,233.27 : x
  2. Step 2: Convert to fraction form
    12,997.47/19,496.21 = 4,233.27/x
  3. Step 3: Cross multiply
    12,997.47x = 19,496.21 × 4,233.27
  4. Step 4: Simplify right side
    12,997.47x = 82,532,699.74
  5. Step 5: Solve for x
    x = 82,532,699.74/12,997.47
  6. Step 6: Final answer
    x = 6,349.91

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Half scale
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Double scale
Find fourth proportional to 12,998.47, 19,497.71 and 4,234.27
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.