Home / 7,655.11-11,471.71-4,361.40

Finding the Fourth Proportional to 7,655.11, 11,471.71 and 4,361.40

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Solution

The fourth proportional to 7,655.11, 11,471.71 and 4,361.40 is: 6,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.11 : 11,471.71 = 4,361.40 : x
  2. Step 2: Convert to fraction form
    7,655.11/11,471.71 = 4,361.40/x
  3. Step 3: Cross multiply
    7,655.11x = 11,471.71 × 4,361.40
  4. Step 4: Simplify right side
    7,655.11x = 50,032,694.19
  5. Step 5: Solve for x
    x = 50,032,694.19/7,655.11
  6. Step 6: Final answer
    x = 6,535.86

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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.