Home / 10,091.08-15,143.58-3,517.32

Finding the Fourth Proportional to 10,091.08, 15,143.58 and 3,517.32

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Solution

The fourth proportional to 10,091.08, 15,143.58 and 3,517.32 is: 5,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.08 : 15,143.58 = 3,517.32 : x
  2. Step 2: Convert to fraction form
    10,091.08/15,143.58 = 3,517.32/x
  3. Step 3: Cross multiply
    10,091.08x = 15,143.58 × 3,517.32
  4. Step 4: Simplify right side
    10,091.08x = 53,264,816.81
  5. Step 5: Solve for x
    x = 53,264,816.81/10,091.08
  6. Step 6: Final answer
    x = 5,278.41

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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.