Home / 10,645.92-15,968.88-4,074.12

Finding the Fourth Proportional to 10,645.92, 15,968.88 and 4,074.12

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Solution

The fourth proportional to 10,645.92, 15,968.88 and 4,074.12 is: 6,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.92 : 15,968.88 = 4,074.12 : x
  2. Step 2: Convert to fraction form
    10,645.92/15,968.88 = 4,074.12/x
  3. Step 3: Cross multiply
    10,645.92x = 15,968.88 × 4,074.12
  4. Step 4: Simplify right side
    10,645.92x = 65,059,113.02
  5. Step 5: Solve for x
    x = 65,059,113.02/10,645.92
  6. Step 6: Final answer
    x = 6,111.18

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Similar ratio
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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.