Home / 8,368.47-12,552.70-3,174.34

Finding the Fourth Proportional to 8,368.47, 12,552.70 and 3,174.34

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Solution

The fourth proportional to 8,368.47, 12,552.70 and 3,174.34 is: 4,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.47 : 12,552.70 = 3,174.34 : x
  2. Step 2: Convert to fraction form
    8,368.47/12,552.70 = 3,174.34/x
  3. Step 3: Cross multiply
    8,368.47x = 12,552.70 × 3,174.34
  4. Step 4: Simplify right side
    8,368.47x = 39,846,537.72
  5. Step 5: Solve for x
    x = 39,846,537.72/8,368.47
  6. Step 6: Final answer
    x = 4,761.51

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Similar ratio
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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.