Home / 10,079.24-15,121.88-4,072.23

Finding the Fourth Proportional to 10,079.24, 15,121.88 and 4,072.23

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Solution

The fourth proportional to 10,079.24, 15,121.88 and 4,072.23 is: 6,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.24 : 15,121.88 = 4,072.23 : x
  2. Step 2: Convert to fraction form
    10,079.24/15,121.88 = 4,072.23/x
  3. Step 3: Cross multiply
    10,079.24x = 15,121.88 × 4,072.23
  4. Step 4: Simplify right side
    10,079.24x = 61,579,753.03
  5. Step 5: Solve for x
    x = 61,579,753.03/10,079.24
  6. Step 6: Final answer
    x = 6,109.57

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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.