Home / 7,112.40-10,663.52-2,726.16

Finding the Fourth Proportional to 7,112.40, 10,663.52 and 2,726.16

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Solution

The fourth proportional to 7,112.40, 10,663.52 and 2,726.16 is: 4,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.40 : 10,663.52 = 2,726.16 : x
  2. Step 2: Convert to fraction form
    7,112.40/10,663.52 = 2,726.16/x
  3. Step 3: Cross multiply
    7,112.40x = 10,663.52 × 2,726.16
  4. Step 4: Simplify right side
    7,112.40x = 29,070,461.68
  5. Step 5: Solve for x
    x = 29,070,461.68/7,112.40
  6. Step 6: Final answer
    x = 4,087.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.