Home / 10,051.30-15,072.04-4,127.12

Finding the Fourth Proportional to 10,051.30, 15,072.04 and 4,127.12

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Solution

The fourth proportional to 10,051.30, 15,072.04 and 4,127.12 is: 6,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051.30 : 15,072.04 = 4,127.12 : x
  2. Step 2: Convert to fraction form
    10,051.30/15,072.04 = 4,127.12/x
  3. Step 3: Cross multiply
    10,051.30x = 15,072.04 × 4,127.12
  4. Step 4: Simplify right side
    10,051.30x = 62,204,117.72
  5. Step 5: Solve for x
    x = 62,204,117.72/10,051.30
  6. Step 6: Final answer
    x = 6,188.66

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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.