Home / 8,158.63-12,236.56-2,313.88

Finding the Fourth Proportional to 8,158.63, 12,236.56 and 2,313.88

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Solution

The fourth proportional to 8,158.63, 12,236.56 and 2,313.88 is: 3,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.63 : 12,236.56 = 2,313.88 : x
  2. Step 2: Convert to fraction form
    8,158.63/12,236.56 = 2,313.88/x
  3. Step 3: Cross multiply
    8,158.63x = 12,236.56 × 2,313.88
  4. Step 4: Simplify right side
    8,158.63x = 28,313,931.45
  5. Step 5: Solve for x
    x = 28,313,931.45/8,158.63
  6. Step 6: Final answer
    x = 3,470.43

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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.