Home / 11,841.12-17,763.60-5,685.12

Finding the Fourth Proportional to 11,841.12, 17,763.60 and 5,685.12

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Solution

The fourth proportional to 11,841.12, 17,763.60 and 5,685.12 is: 8,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.12 : 17,763.60 = 5,685.12 : x
  2. Step 2: Convert to fraction form
    11,841.12/17,763.60 = 5,685.12/x
  3. Step 3: Cross multiply
    11,841.12x = 17,763.60 × 5,685.12
  4. Step 4: Simplify right side
    11,841.12x = 100,988,197.63
  5. Step 5: Solve for x
    x = 100,988,197.63/11,841.12
  6. Step 6: Final answer
    x = 8,528.60

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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.