Home / 10,175.31-15,263.54-3,156.32

Finding the Fourth Proportional to 10,175.31, 15,263.54 and 3,156.32

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Solution

The fourth proportional to 10,175.31, 15,263.54 and 3,156.32 is: 4,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.31 : 15,263.54 = 3,156.32 : x
  2. Step 2: Convert to fraction form
    10,175.31/15,263.54 = 3,156.32/x
  3. Step 3: Cross multiply
    10,175.31x = 15,263.54 × 3,156.32
  4. Step 4: Simplify right side
    10,175.31x = 48,176,662.62
  5. Step 5: Solve for x
    x = 48,176,662.62/10,175.31
  6. Step 6: Final answer
    x = 4,734.66

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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.