Home / 10,102.30-15,153.20-2,706.75

Finding the Fourth Proportional to 10,102.30, 15,153.20 and 2,706.75

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Solution

The fourth proportional to 10,102.30, 15,153.20 and 2,706.75 is: 4,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.30 : 15,153.20 = 2,706.75 : x
  2. Step 2: Convert to fraction form
    10,102.30/15,153.20 = 2,706.75/x
  3. Step 3: Cross multiply
    10,102.30x = 15,153.20 × 2,706.75
  4. Step 4: Simplify right side
    10,102.30x = 41,015,924.10
  5. Step 5: Solve for x
    x = 41,015,924.10/10,102.30
  6. Step 6: Final answer
    x = 4,060.06

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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.