Home / 12,576.18-17,355.15-7,270.98

Finding the Fourth Proportional to 12,576.18, 17,355.15 and 7,270.98

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Solution

The fourth proportional to 12,576.18, 17,355.15 and 7,270.98 is: 10,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.18 : 17,355.15 = 7,270.98 : x
  2. Step 2: Convert to fraction form
    12,576.18/17,355.15 = 7,270.98/x
  3. Step 3: Cross multiply
    12,576.18x = 17,355.15 × 7,270.98
  4. Step 4: Simplify right side
    12,576.18x = 126,188,948.55
  5. Step 5: Solve for x
    x = 126,188,948.55/12,576.18
  6. Step 6: Final answer
    x = 10,033.96

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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.