Home / 11,730.15-17,597.79-3,938.76

Finding the Fourth Proportional to 11,730.15, 17,597.79 and 3,938.76

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Solution

The fourth proportional to 11,730.15, 17,597.79 and 3,938.76 is: 5,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.15 : 17,597.79 = 3,938.76 : x
  2. Step 2: Convert to fraction form
    11,730.15/17,597.79 = 3,938.76/x
  3. Step 3: Cross multiply
    11,730.15x = 17,597.79 × 3,938.76
  4. Step 4: Simplify right side
    11,730.15x = 69,313,471.34
  5. Step 5: Solve for x
    x = 69,313,471.34/11,730.15
  6. Step 6: Final answer
    x = 5,909.00

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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.