Home / 8,158.23-12,236.01-2,313.47

Finding the Fourth Proportional to 8,158.23, 12,236.01 and 2,313.47

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Solution

The fourth proportional to 8,158.23, 12,236.01 and 2,313.47 is: 3,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.23 : 12,236.01 = 2,313.47 : x
  2. Step 2: Convert to fraction form
    8,158.23/12,236.01 = 2,313.47/x
  3. Step 3: Cross multiply
    8,158.23x = 12,236.01 × 2,313.47
  4. Step 4: Simplify right side
    8,158.23x = 28,307,580.87
  5. Step 5: Solve for x
    x = 28,307,580.87/8,158.23
  6. Step 6: Final answer
    x = 3,469.82

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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.