Home / 8,195.18-11,309.22-4,658.51

Finding the Fourth Proportional to 8,195.18, 11,309.22 and 4,658.51

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Solution

The fourth proportional to 8,195.18, 11,309.22 and 4,658.51 is: 6,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.18 : 11,309.22 = 4,658.51 : x
  2. Step 2: Convert to fraction form
    8,195.18/11,309.22 = 4,658.51/x
  3. Step 3: Cross multiply
    8,195.18x = 11,309.22 × 4,658.51
  4. Step 4: Simplify right side
    8,195.18x = 52,684,142.74
  5. Step 5: Solve for x
    x = 52,684,142.74/8,195.18
  6. Step 6: Final answer
    x = 6,428.68

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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.