Home / 10,527.75-15,789.81-3,506.96

Finding the Fourth Proportional to 10,527.75, 15,789.81 and 3,506.96

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Solution

The fourth proportional to 10,527.75, 15,789.81 and 3,506.96 is: 5,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.75 : 15,789.81 = 3,506.96 : x
  2. Step 2: Convert to fraction form
    10,527.75/15,789.81 = 3,506.96/x
  3. Step 3: Cross multiply
    10,527.75x = 15,789.81 × 3,506.96
  4. Step 4: Simplify right side
    10,527.75x = 55,374,153.13
  5. Step 5: Solve for x
    x = 55,374,153.13/10,527.75
  6. Step 6: Final answer
    x = 5,259.83

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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.