Home / 6,943.80-10,418.10-3,047.64

Finding the Fourth Proportional to 6,943.80, 10,418.10 and 3,047.64

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Solution

The fourth proportional to 6,943.80, 10,418.10 and 3,047.64 is: 4,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.80 : 10,418.10 = 3,047.64 : x
  2. Step 2: Convert to fraction form
    6,943.80/10,418.10 = 3,047.64/x
  3. Step 3: Cross multiply
    6,943.80x = 10,418.10 × 3,047.64
  4. Step 4: Simplify right side
    6,943.80x = 31,750,618.28
  5. Step 5: Solve for x
    x = 31,750,618.28/6,943.80
  6. Step 6: Final answer
    x = 4,572.51

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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.