Home / 8,126.53-12,187.97-4,840.56

Finding the Fourth Proportional to 8,126.53, 12,187.97 and 4,840.56

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Solution

The fourth proportional to 8,126.53, 12,187.97 and 4,840.56 is: 7,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.53 : 12,187.97 = 4,840.56 : x
  2. Step 2: Convert to fraction form
    8,126.53/12,187.97 = 4,840.56/x
  3. Step 3: Cross multiply
    8,126.53x = 12,187.97 × 4,840.56
  4. Step 4: Simplify right side
    8,126.53x = 58,996,594.01
  5. Step 5: Solve for x
    x = 58,996,594.01/8,126.53
  6. Step 6: Final answer
    x = 7,259.75

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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.