Home / 10,175.46-15,263.80-3,156.14

Finding the Fourth Proportional to 10,175.46, 15,263.80 and 3,156.14

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Solution

The fourth proportional to 10,175.46, 15,263.80 and 3,156.14 is: 4,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.46 : 15,263.80 = 3,156.14 : x
  2. Step 2: Convert to fraction form
    10,175.46/15,263.80 = 3,156.14/x
  3. Step 3: Cross multiply
    10,175.46x = 15,263.80 × 3,156.14
  4. Step 4: Simplify right side
    10,175.46x = 48,174,689.73
  5. Step 5: Solve for x
    x = 48,174,689.73/10,175.46
  6. Step 6: Final answer
    x = 4,734.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.