Home / 7,656.59-11,474.18-4,139.01

Finding the Fourth Proportional to 7,656.59, 11,474.18 and 4,139.01

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Solution

The fourth proportional to 7,656.59, 11,474.18 and 4,139.01 is: 6,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.59 : 11,474.18 = 4,139.01 : x
  2. Step 2: Convert to fraction form
    7,656.59/11,474.18 = 4,139.01/x
  3. Step 3: Cross multiply
    7,656.59x = 11,474.18 × 4,139.01
  4. Step 4: Simplify right side
    7,656.59x = 47,491,725.07
  5. Step 5: Solve for x
    x = 47,491,725.07/7,656.59
  6. Step 6: Final answer
    x = 6,202.73

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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.