Home / 10,741.86-16,103.61-4,172.76

Finding the Fourth Proportional to 10,741.86, 16,103.61 and 4,172.76

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Solution

The fourth proportional to 10,741.86, 16,103.61 and 4,172.76 is: 6,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741.86 : 16,103.61 = 4,172.76 : x
  2. Step 2: Convert to fraction form
    10,741.86/16,103.61 = 4,172.76/x
  3. Step 3: Cross multiply
    10,741.86x = 16,103.61 × 4,172.76
  4. Step 4: Simplify right side
    10,741.86x = 67,196,499.66
  5. Step 5: Solve for x
    x = 67,196,499.66/10,741.86
  6. Step 6: Final answer
    x = 6,255.57

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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.