Home / 12,552.76-17,322.78-7,247.44

Finding the Fourth Proportional to 12,552.76, 17,322.78 and 7,247.44

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Solution

The fourth proportional to 12,552.76, 17,322.78 and 7,247.44 is: 10,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.76 : 17,322.78 = 7,247.44 : x
  2. Step 2: Convert to fraction form
    12,552.76/17,322.78 = 7,247.44/x
  3. Step 3: Cross multiply
    12,552.76x = 17,322.78 × 7,247.44
  4. Step 4: Simplify right side
    12,552.76x = 125,545,808.68
  5. Step 5: Solve for x
    x = 125,545,808.68/12,552.76
  6. Step 6: Final answer
    x = 10,001.45

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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.