Home / 11,279.55-15,568.28-6,566.56

Finding the Fourth Proportional to 11,279.55, 15,568.28 and 6,566.56

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Solution

The fourth proportional to 11,279.55, 15,568.28 and 6,566.56 is: 9,063.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.55 : 15,568.28 = 6,566.56 : x
  2. Step 2: Convert to fraction form
    11,279.55/15,568.28 = 6,566.56/x
  3. Step 3: Cross multiply
    11,279.55x = 15,568.28 × 6,566.56
  4. Step 4: Simplify right side
    11,279.55x = 102,230,011.88
  5. Step 5: Solve for x
    x = 102,230,011.88/11,279.55
  6. Step 6: Final answer
    x = 9,063.31

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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.