Home / 8,225.15-11,352.17-4,869.83

Finding the Fourth Proportional to 8,225.15, 11,352.17 and 4,869.83

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Solution

The fourth proportional to 8,225.15, 11,352.17 and 4,869.83 is: 6,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.15 : 11,352.17 = 4,869.83 : x
  2. Step 2: Convert to fraction form
    8,225.15/11,352.17 = 4,869.83/x
  3. Step 3: Cross multiply
    8,225.15x = 11,352.17 × 4,869.83
  4. Step 4: Simplify right side
    8,225.15x = 55,283,178.59
  5. Step 5: Solve for x
    x = 55,283,178.59/8,225.15
  6. Step 6: Final answer
    x = 6,721.23

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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.