Home / 7,126.11-9,833.18-4,141.46

Finding the Fourth Proportional to 7,126.11, 9,833.18 and 4,141.46

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Solution

The fourth proportional to 7,126.11, 9,833.18 and 4,141.46 is: 5,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.11 : 9,833.18 = 4,141.46 : x
  2. Step 2: Convert to fraction form
    7,126.11/9,833.18 = 4,141.46/x
  3. Step 3: Cross multiply
    7,126.11x = 9,833.18 × 4,141.46
  4. Step 4: Simplify right side
    7,126.11x = 40,723,672.48
  5. Step 5: Solve for x
    x = 40,723,672.48/7,126.11
  6. Step 6: Final answer
    x = 5,714.72

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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.