Home / 8,229.48-11,345.20-6,965.52

Finding the Fourth Proportional to 8,229.48, 11,345.20 and 6,965.52

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Solution

The fourth proportional to 8,229.48, 11,345.20 and 6,965.52 is: 9,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.48 : 11,345.20 = 6,965.52 : x
  2. Step 2: Convert to fraction form
    8,229.48/11,345.20 = 6,965.52/x
  3. Step 3: Cross multiply
    8,229.48x = 11,345.20 × 6,965.52
  4. Step 4: Simplify right side
    8,229.48x = 79,025,217.50
  5. Step 5: Solve for x
    x = 79,025,217.50/8,229.48
  6. Step 6: Final answer
    x = 9,602.70

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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.