Home / 11,948.12-16,480.77-7,704.62

Finding the Fourth Proportional to 11,948.12, 16,480.77 and 7,704.62

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Solution

The fourth proportional to 11,948.12, 16,480.77 and 7,704.62 is: 10,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.12 : 16,480.77 = 7,704.62 : x
  2. Step 2: Convert to fraction form
    11,948.12/16,480.77 = 7,704.62/x
  3. Step 3: Cross multiply
    11,948.12x = 16,480.77 × 7,704.62
  4. Step 4: Simplify right side
    11,948.12x = 126,978,070.16
  5. Step 5: Solve for x
    x = 126,978,070.16/11,948.12
  6. Step 6: Final answer
    x = 10,627.45

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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.