Home / 8,728.19-13,097.67-3,462.31

Finding the Fourth Proportional to 8,728.19, 13,097.67 and 3,462.31

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Solution

The fourth proportional to 8,728.19, 13,097.67 and 3,462.31 is: 5,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.19 : 13,097.67 = 3,462.31 : x
  2. Step 2: Convert to fraction form
    8,728.19/13,097.67 = 3,462.31/x
  3. Step 3: Cross multiply
    8,728.19x = 13,097.67 × 3,462.31
  4. Step 4: Simplify right side
    8,728.19x = 45,348,197.21
  5. Step 5: Solve for x
    x = 45,348,197.21/8,728.19
  6. Step 6: Final answer
    x = 5,195.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.