Home / 9,251.19-13,871.43-5,090.18

Finding the Fourth Proportional to 9,251.19, 13,871.43 and 5,090.18

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Solution

The fourth proportional to 9,251.19, 13,871.43 and 5,090.18 is: 7,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.19 : 13,871.43 = 5,090.18 : x
  2. Step 2: Convert to fraction form
    9,251.19/13,871.43 = 5,090.18/x
  3. Step 3: Cross multiply
    9,251.19x = 13,871.43 × 5,090.18
  4. Step 4: Simplify right side
    9,251.19x = 70,608,006.20
  5. Step 5: Solve for x
    x = 70,608,006.20/9,251.19
  6. Step 6: Final answer
    x = 7,632.32

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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.