Home / 11,655.75-17,485.17-4,263.69

Finding the Fourth Proportional to 11,655.75, 17,485.17 and 4,263.69

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Solution

The fourth proportional to 11,655.75, 17,485.17 and 4,263.69 is: 6,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.75 : 17,485.17 = 4,263.69 : x
  2. Step 2: Convert to fraction form
    11,655.75/17,485.17 = 4,263.69/x
  3. Step 3: Cross multiply
    11,655.75x = 17,485.17 × 4,263.69
  4. Step 4: Simplify right side
    11,655.75x = 74,551,344.48
  5. Step 5: Solve for x
    x = 74,551,344.48/11,655.75
  6. Step 6: Final answer
    x = 6,396.10

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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.