Home / 8,872.67-13,312.20-3,804.74

Finding the Fourth Proportional to 8,872.67, 13,312.20 and 3,804.74

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Solution

The fourth proportional to 8,872.67, 13,312.20 and 3,804.74 is: 5,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.67 : 13,312.20 = 3,804.74 : x
  2. Step 2: Convert to fraction form
    8,872.67/13,312.20 = 3,804.74/x
  3. Step 3: Cross multiply
    8,872.67x = 13,312.20 × 3,804.74
  4. Step 4: Simplify right side
    8,872.67x = 50,649,440.80
  5. Step 5: Solve for x
    x = 50,649,440.80/8,872.67
  6. Step 6: Final answer
    x = 5,708.48

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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.