Home / 12,020.64-16,588.92-6,716.76

Finding the Fourth Proportional to 12,020.64, 16,588.92 and 6,716.76

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Solution

The fourth proportional to 12,020.64, 16,588.92 and 6,716.76 is: 9,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.64 : 16,588.92 = 6,716.76 : x
  2. Step 2: Convert to fraction form
    12,020.64/16,588.92 = 6,716.76/x
  3. Step 3: Cross multiply
    12,020.64x = 16,588.92 × 6,716.76
  4. Step 4: Simplify right side
    12,020.64x = 111,423,794.30
  5. Step 5: Solve for x
    x = 111,423,794.30/12,020.64
  6. Step 6: Final answer
    x = 9,269.37

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Half scale
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Double scale
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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.