Home / 11,277.14-15,570.11-7,029.90

Finding the Fourth Proportional to 11,277.14, 15,570.11 and 7,029.90

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Solution

The fourth proportional to 11,277.14, 15,570.11 and 7,029.90 is: 9,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.14 : 15,570.11 = 7,029.90 : x
  2. Step 2: Convert to fraction form
    11,277.14/15,570.11 = 7,029.90/x
  3. Step 3: Cross multiply
    11,277.14x = 15,570.11 × 7,029.90
  4. Step 4: Simplify right side
    11,277.14x = 109,456,316.29
  5. Step 5: Solve for x
    x = 109,456,316.29/11,277.14
  6. Step 6: Final answer
    x = 9,706.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.