Home / 8,236.63-12,353.55-2,312.15

Finding the Fourth Proportional to 8,236.63, 12,353.55 and 2,312.15

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Solution

The fourth proportional to 8,236.63, 12,353.55 and 2,312.15 is: 3,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.63 : 12,353.55 = 2,312.15 : x
  2. Step 2: Convert to fraction form
    8,236.63/12,353.55 = 2,312.15/x
  3. Step 3: Cross multiply
    8,236.63x = 12,353.55 × 2,312.15
  4. Step 4: Simplify right side
    8,236.63x = 28,563,285.74
  5. Step 5: Solve for x
    x = 28,563,285.74/8,236.63
  6. Step 6: Final answer
    x = 3,467.84

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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.