Home / 7,841.74-11,763.64-4,144.12

Finding the Fourth Proportional to 7,841.74, 11,763.64 and 4,144.12

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Solution

The fourth proportional to 7,841.74, 11,763.64 and 4,144.12 is: 6,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.74 : 11,763.64 = 4,144.12 : x
  2. Step 2: Convert to fraction form
    7,841.74/11,763.64 = 4,144.12/x
  3. Step 3: Cross multiply
    7,841.74x = 11,763.64 × 4,144.12
  4. Step 4: Simplify right side
    7,841.74x = 48,749,935.80
  5. Step 5: Solve for x
    x = 48,749,935.80/7,841.74
  6. Step 6: Final answer
    x = 6,216.72

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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.