Home / 12,174.04-16,799.66-6,868.76

Finding the Fourth Proportional to 12,174.04, 16,799.66 and 6,868.76

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Solution

The fourth proportional to 12,174.04, 16,799.66 and 6,868.76 is: 9,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.04 : 16,799.66 = 6,868.76 : x
  2. Step 2: Convert to fraction form
    12,174.04/16,799.66 = 6,868.76/x
  3. Step 3: Cross multiply
    12,174.04x = 16,799.66 × 6,868.76
  4. Step 4: Simplify right side
    12,174.04x = 115,392,832.62
  5. Step 5: Solve for x
    x = 115,392,832.62/12,174.04
  6. Step 6: Final answer
    x = 9,478.60

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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.