Home / 8,228.71-11,355.63-4,691.95

Finding the Fourth Proportional to 8,228.71, 11,355.63 and 4,691.95

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Solution

The fourth proportional to 8,228.71, 11,355.63 and 4,691.95 is: 6,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.71 : 11,355.63 = 4,691.95 : x
  2. Step 2: Convert to fraction form
    8,228.71/11,355.63 = 4,691.95/x
  3. Step 3: Cross multiply
    8,228.71x = 11,355.63 × 4,691.95
  4. Step 4: Simplify right side
    8,228.71x = 53,280,048.18
  5. Step 5: Solve for x
    x = 53,280,048.18/8,228.71
  6. Step 6: Final answer
    x = 6,474.90

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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.