Home / 11,913.47-16,440.33-6,608.18

Finding the Fourth Proportional to 11,913.47, 16,440.33 and 6,608.18

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Solution

The fourth proportional to 11,913.47, 16,440.33 and 6,608.18 is: 9,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.47 : 16,440.33 = 6,608.18 : x
  2. Step 2: Convert to fraction form
    11,913.47/16,440.33 = 6,608.18/x
  3. Step 3: Cross multiply
    11,913.47x = 16,440.33 × 6,608.18
  4. Step 4: Simplify right side
    11,913.47x = 108,640,659.90
  5. Step 5: Solve for x
    x = 108,640,659.90/11,913.47
  6. Step 6: Final answer
    x = 9,119.14

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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.