Home / 10,091.42-15,138.09-2,696.33

Finding the Fourth Proportional to 10,091.42, 15,138.09 and 2,696.33

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Solution

The fourth proportional to 10,091.42, 15,138.09 and 2,696.33 is: 4,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.42 : 15,138.09 = 2,696.33 : x
  2. Step 2: Convert to fraction form
    10,091.42/15,138.09 = 2,696.33/x
  3. Step 3: Cross multiply
    10,091.42x = 15,138.09 × 2,696.33
  4. Step 4: Simplify right side
    10,091.42x = 40,817,210.52
  5. Step 5: Solve for x
    x = 40,817,210.52/10,091.42
  6. Step 6: Final answer
    x = 4,044.74

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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.