Home / 10,091.25-13,916.15-6,734.21

Finding the Fourth Proportional to 10,091.25, 13,916.15 and 6,734.21

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Solution

The fourth proportional to 10,091.25, 13,916.15 and 6,734.21 is: 9,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.25 : 13,916.15 = 6,734.21 : x
  2. Step 2: Convert to fraction form
    10,091.25/13,916.15 = 6,734.21/x
  3. Step 3: Cross multiply
    10,091.25x = 13,916.15 × 6,734.21
  4. Step 4: Simplify right side
    10,091.25x = 93,714,173.24
  5. Step 5: Solve for x
    x = 93,714,173.24/10,091.25
  6. Step 6: Final answer
    x = 9,286.68

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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.