Home / 6,113.91-8,440.08-5,006.79

Finding the Fourth Proportional to 6,113.91, 8,440.08 and 5,006.79

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Solution

The fourth proportional to 6,113.91, 8,440.08 and 5,006.79 is: 6,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.91 : 8,440.08 = 5,006.79 : x
  2. Step 2: Convert to fraction form
    6,113.91/8,440.08 = 5,006.79/x
  3. Step 3: Cross multiply
    6,113.91x = 8,440.08 × 5,006.79
  4. Step 4: Simplify right side
    6,113.91x = 42,257,708.14
  5. Step 5: Solve for x
    x = 42,257,708.14/6,113.91
  6. Step 6: Final answer
    x = 6,911.73

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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.