Home / 12,510.04-17,274.45-8,043.70

Finding the Fourth Proportional to 12,510.04, 17,274.45 and 8,043.70

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Solution

The fourth proportional to 12,510.04, 17,274.45 and 8,043.70 is: 11,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.04 : 17,274.45 = 8,043.70 : x
  2. Step 2: Convert to fraction form
    12,510.04/17,274.45 = 8,043.70/x
  3. Step 3: Cross multiply
    12,510.04x = 17,274.45 × 8,043.70
  4. Step 4: Simplify right side
    12,510.04x = 138,950,493.47
  5. Step 5: Solve for x
    x = 138,950,493.47/12,510.04
  6. Step 6: Final answer
    x = 11,107.12

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