Home / 9,966.60-13,743.72-6,608.25

Finding the Fourth Proportional to 9,966.60, 13,743.72 and 6,608.25

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Solution

The fourth proportional to 9,966.60, 13,743.72 and 6,608.25 is: 9,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.60 : 13,743.72 = 6,608.25 : x
  2. Step 2: Convert to fraction form
    9,966.60/13,743.72 = 6,608.25/x
  3. Step 3: Cross multiply
    9,966.60x = 13,743.72 × 6,608.25
  4. Step 4: Simplify right side
    9,966.60x = 90,821,937.69
  5. Step 5: Solve for x
    x = 90,821,937.69/9,966.60
  6. Step 6: Final answer
    x = 9,112.63

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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.