Home / 8,865.57-13,293.93-5,168.73

Finding the Fourth Proportional to 8,865.57, 13,293.93 and 5,168.73

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Solution

The fourth proportional to 8,865.57, 13,293.93 and 5,168.73 is: 7,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.57 : 13,293.93 = 5,168.73 : x
  2. Step 2: Convert to fraction form
    8,865.57/13,293.93 = 5,168.73/x
  3. Step 3: Cross multiply
    8,865.57x = 13,293.93 × 5,168.73
  4. Step 4: Simplify right side
    8,865.57x = 68,712,734.81
  5. Step 5: Solve for x
    x = 68,712,734.81/8,865.57
  6. Step 6: Final answer
    x = 7,750.52

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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.