Home / 6,957.11-10,431.03-3,617.15

Finding the Fourth Proportional to 6,957.11, 10,431.03 and 3,617.15

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Solution

The fourth proportional to 6,957.11, 10,431.03 and 3,617.15 is: 5,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.11 : 10,431.03 = 3,617.15 : x
  2. Step 2: Convert to fraction form
    6,957.11/10,431.03 = 3,617.15/x
  3. Step 3: Cross multiply
    6,957.11x = 10,431.03 × 3,617.15
  4. Step 4: Simplify right side
    6,957.11x = 37,730,600.16
  5. Step 5: Solve for x
    x = 37,730,600.16/6,957.11
  6. Step 6: Final answer
    x = 5,423.32

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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.