Home / 10,871.65-15,002.68-6,091.58

Finding the Fourth Proportional to 10,871.65, 15,002.68 and 6,091.58

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Solution

The fourth proportional to 10,871.65, 15,002.68 and 6,091.58 is: 8,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.65 : 15,002.68 = 6,091.58 : x
  2. Step 2: Convert to fraction form
    10,871.65/15,002.68 = 6,091.58/x
  3. Step 3: Cross multiply
    10,871.65x = 15,002.68 × 6,091.58
  4. Step 4: Simplify right side
    10,871.65x = 91,389,969.46
  5. Step 5: Solve for x
    x = 91,389,969.46/10,871.65
  6. Step 6: Final answer
    x = 8,406.26

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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.