Home / 8,195.58-11,309.46-4,658.70

Finding the Fourth Proportional to 8,195.58, 11,309.46 and 4,658.70

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Solution

The fourth proportional to 8,195.58, 11,309.46 and 4,658.70 is: 6,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.58 : 11,309.46 = 4,658.70 : x
  2. Step 2: Convert to fraction form
    8,195.58/11,309.46 = 4,658.70/x
  3. Step 3: Cross multiply
    8,195.58x = 11,309.46 × 4,658.70
  4. Step 4: Simplify right side
    8,195.58x = 52,687,381.30
  5. Step 5: Solve for x
    x = 52,687,381.30/8,195.58
  6. Step 6: Final answer
    x = 6,428.76

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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.