Home / 8,247.29-12,368.51-2,323.78

Finding the Fourth Proportional to 8,247.29, 12,368.51 and 2,323.78

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Solution

The fourth proportional to 8,247.29, 12,368.51 and 2,323.78 is: 3,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.29 : 12,368.51 = 2,323.78 : x
  2. Step 2: Convert to fraction form
    8,247.29/12,368.51 = 2,323.78/x
  3. Step 3: Cross multiply
    8,247.29x = 12,368.51 × 2,323.78
  4. Step 4: Simplify right side
    8,247.29x = 28,741,662.34
  5. Step 5: Solve for x
    x = 28,741,662.34/8,247.29
  6. Step 6: Final answer
    x = 3,484.98

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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.