Home / 7,409.53-11,118.67-2,732.81

Finding the Fourth Proportional to 7,409.53, 11,118.67 and 2,732.81

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Solution

The fourth proportional to 7,409.53, 11,118.67 and 2,732.81 is: 4,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.53 : 11,118.67 = 2,732.81 : x
  2. Step 2: Convert to fraction form
    7,409.53/11,118.67 = 2,732.81/x
  3. Step 3: Cross multiply
    7,409.53x = 11,118.67 × 2,732.81
  4. Step 4: Simplify right side
    7,409.53x = 30,385,156.97
  5. Step 5: Solve for x
    x = 30,385,156.97/7,409.53
  6. Step 6: Final answer
    x = 4,100.82

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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.