Home / 7,425.34-11,145.30-5,580.97

Finding the Fourth Proportional to 7,425.34, 11,145.30 and 5,580.97

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Solution

The fourth proportional to 7,425.34, 11,145.30 and 5,580.97 is: 8,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.34 : 11,145.30 = 5,580.97 : x
  2. Step 2: Convert to fraction form
    7,425.34/11,145.30 = 5,580.97/x
  3. Step 3: Cross multiply
    7,425.34x = 11,145.30 × 5,580.97
  4. Step 4: Simplify right side
    7,425.34x = 62,201,584.94
  5. Step 5: Solve for x
    x = 62,201,584.94/7,425.34
  6. Step 6: Final answer
    x = 8,376.93

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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.