Home / 12,510.97-17,271.39-7,204.76

Finding the Fourth Proportional to 12,510.97, 17,271.39 and 7,204.76

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Solution

The fourth proportional to 12,510.97, 17,271.39 and 7,204.76 is: 9,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.97 : 17,271.39 = 7,204.76 : x
  2. Step 2: Convert to fraction form
    12,510.97/17,271.39 = 7,204.76/x
  3. Step 3: Cross multiply
    12,510.97x = 17,271.39 × 7,204.76
  4. Step 4: Simplify right side
    12,510.97x = 124,436,302.13
  5. Step 5: Solve for x
    x = 124,436,302.13/12,510.97
  6. Step 6: Final answer
    x = 9,946.17

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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.