Home / 8,195.52-11,309.82-4,658.64

Finding the Fourth Proportional to 8,195.52, 11,309.82 and 4,658.64

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Solution

The fourth proportional to 8,195.52, 11,309.82 and 4,658.64 is: 6,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.52 : 11,309.82 = 4,658.64 : x
  2. Step 2: Convert to fraction form
    8,195.52/11,309.82 = 4,658.64/x
  3. Step 3: Cross multiply
    8,195.52x = 11,309.82 × 4,658.64
  4. Step 4: Simplify right side
    8,195.52x = 52,688,379.84
  5. Step 5: Solve for x
    x = 52,688,379.84/8,195.52
  6. Step 6: Final answer
    x = 6,428.92

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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.