Home / 11,279.01-15,572.07-7,247.46

Finding the Fourth Proportional to 11,279.01, 15,572.07 and 7,247.46

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Solution

The fourth proportional to 11,279.01, 15,572.07 and 7,247.46 is: 10,006.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.01 : 15,572.07 = 7,247.46 : x
  2. Step 2: Convert to fraction form
    11,279.01/15,572.07 = 7,247.46/x
  3. Step 3: Cross multiply
    11,279.01x = 15,572.07 × 7,247.46
  4. Step 4: Simplify right side
    11,279.01x = 112,857,954.44
  5. Step 5: Solve for x
    x = 112,857,954.44/11,279.01
  6. Step 6: Final answer
    x = 10,006.02

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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.