Home / 8,195.16-11,309.31-4,658.60

Finding the Fourth Proportional to 8,195.16, 11,309.31 and 4,658.60

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Solution

The fourth proportional to 8,195.16, 11,309.31 and 4,658.60 is: 6,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.16 : 11,309.31 = 4,658.60 : x
  2. Step 2: Convert to fraction form
    8,195.16/11,309.31 = 4,658.60/x
  3. Step 3: Cross multiply
    8,195.16x = 11,309.31 × 4,658.60
  4. Step 4: Simplify right side
    8,195.16x = 52,685,495.02
  5. Step 5: Solve for x
    x = 52,685,495.02/8,195.16
  6. Step 6: Final answer
    x = 6,428.85

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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.