Home / 7,930.47-10,943.57-4,393.43

Finding the Fourth Proportional to 7,930.47, 10,943.57 and 4,393.43

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Solution

The fourth proportional to 7,930.47, 10,943.57 and 4,393.43 is: 6,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.47 : 10,943.57 = 4,393.43 : x
  2. Step 2: Convert to fraction form
    7,930.47/10,943.57 = 4,393.43/x
  3. Step 3: Cross multiply
    7,930.47x = 10,943.57 × 4,393.43
  4. Step 4: Simplify right side
    7,930.47x = 48,079,773.25
  5. Step 5: Solve for x
    x = 48,079,773.25/7,930.47
  6. Step 6: Final answer
    x = 6,062.66

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1.5x scale

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.