Home / 11,138.96-15,366.30-7,596.56

Finding the Fourth Proportional to 11,138.96, 15,366.30 and 7,596.56

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Solution

The fourth proportional to 11,138.96, 15,366.30 and 7,596.56 is: 10,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.96 : 15,366.30 = 7,596.56 : x
  2. Step 2: Convert to fraction form
    11,138.96/15,366.30 = 7,596.56/x
  3. Step 3: Cross multiply
    11,138.96x = 15,366.30 × 7,596.56
  4. Step 4: Simplify right side
    11,138.96x = 116,731,019.93
  5. Step 5: Solve for x
    x = 116,731,019.93/11,138.96
  6. Step 6: Final answer
    x = 10,479.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.