Home / 12,234.92-16,887.51-7,200.76

Finding the Fourth Proportional to 12,234.92, 16,887.51 and 7,200.76

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Solution

The fourth proportional to 12,234.92, 16,887.51 and 7,200.76 is: 9,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.92 : 16,887.51 = 7,200.76 : x
  2. Step 2: Convert to fraction form
    12,234.92/16,887.51 = 7,200.76/x
  3. Step 3: Cross multiply
    12,234.92x = 16,887.51 × 7,200.76
  4. Step 4: Simplify right side
    12,234.92x = 121,602,864.29
  5. Step 5: Solve for x
    x = 121,602,864.29/12,234.92
  6. Step 6: Final answer
    x = 9,939.00

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Half scale
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Double scale
Find fourth proportional to 12,235.92, 16,888.89 and 7,201.76
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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.