Home / 9,039.96-13,557.75-3,489.76

Finding the Fourth Proportional to 9,039.96, 13,557.75 and 3,489.76

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Solution

The fourth proportional to 9,039.96, 13,557.75 and 3,489.76 is: 5,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.96 : 13,557.75 = 3,489.76 : x
  2. Step 2: Convert to fraction form
    9,039.96/13,557.75 = 3,489.76/x
  3. Step 3: Cross multiply
    9,039.96x = 13,557.75 × 3,489.76
  4. Step 4: Simplify right side
    9,039.96x = 47,313,293.64
  5. Step 5: Solve for x
    x = 47,313,293.64/9,039.96
  6. Step 6: Final answer
    x = 5,233.79

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1.5x scale

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.