Home / 7,975.46-11,985.05-7,522.56

Finding the Fourth Proportional to 7,975.46, 11,985.05 and 7,522.56

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Solution

The fourth proportional to 7,975.46, 11,985.05 and 7,522.56 is: 11,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.46 : 11,985.05 = 7,522.56 : x
  2. Step 2: Convert to fraction form
    7,975.46/11,985.05 = 7,522.56/x
  3. Step 3: Cross multiply
    7,975.46x = 11,985.05 × 7,522.56
  4. Step 4: Simplify right side
    7,975.46x = 90,158,257.73
  5. Step 5: Solve for x
    x = 90,158,257.73/7,975.46
  6. Step 6: Final answer
    x = 11,304.46

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Double scale
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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.