Home / 12,101.26-18,158.84-5,080.63

Finding the Fourth Proportional to 12,101.26, 18,158.84 and 5,080.63

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Solution

The fourth proportional to 12,101.26, 18,158.84 and 5,080.63 is: 7,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.26 : 18,158.84 = 5,080.63 : x
  2. Step 2: Convert to fraction form
    12,101.26/18,158.84 = 5,080.63/x
  3. Step 3: Cross multiply
    12,101.26x = 18,158.84 × 5,080.63
  4. Step 4: Simplify right side
    12,101.26x = 92,258,347.27
  5. Step 5: Solve for x
    x = 92,258,347.27/12,101.26
  6. Step 6: Final answer
    x = 7,623.86

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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.