Home / 11,348.70-15,661.20-6,632.04

Finding the Fourth Proportional to 11,348.70, 15,661.20 and 6,632.04

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Solution

The fourth proportional to 11,348.70, 15,661.20 and 6,632.04 is: 9,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.70 : 15,661.20 = 6,632.04 : x
  2. Step 2: Convert to fraction form
    11,348.70/15,661.20 = 6,632.04/x
  3. Step 3: Cross multiply
    11,348.70x = 15,661.20 × 6,632.04
  4. Step 4: Simplify right side
    11,348.70x = 103,865,704.85
  5. Step 5: Solve for x
    x = 103,865,704.85/11,348.70
  6. Step 6: Final answer
    x = 9,152.21

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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.