Home / 9,884.12-13,637.31-5,906.21

Finding the Fourth Proportional to 9,884.12, 13,637.31 and 5,906.21

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Solution

The fourth proportional to 9,884.12, 13,637.31 and 5,906.21 is: 8,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,884.12 : 13,637.31 = 5,906.21 : x
  2. Step 2: Convert to fraction form
    9,884.12/13,637.31 = 5,906.21/x
  3. Step 3: Cross multiply
    9,884.12x = 13,637.31 × 5,906.21
  4. Step 4: Simplify right side
    9,884.12x = 80,544,816.70
  5. Step 5: Solve for x
    x = 80,544,816.70/9,884.12
  6. Step 6: Final answer
    x = 8,148.91

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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.