Home / 7,450.56-10,279.44-5,564.88

Finding the Fourth Proportional to 7,450.56, 10,279.44 and 5,564.88

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Solution

The fourth proportional to 7,450.56, 10,279.44 and 5,564.88 is: 7,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.56 : 10,279.44 = 5,564.88 : x
  2. Step 2: Convert to fraction form
    7,450.56/10,279.44 = 5,564.88/x
  3. Step 3: Cross multiply
    7,450.56x = 10,279.44 × 5,564.88
  4. Step 4: Simplify right side
    7,450.56x = 57,203,850.07
  5. Step 5: Solve for x
    x = 57,203,850.07/7,450.56
  6. Step 6: Final answer
    x = 7,677.79

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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.