Home / 6,316.27-8,716.09-3,926.18

Finding the Fourth Proportional to 6,316.27, 8,716.09 and 3,926.18

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Solution

The fourth proportional to 6,316.27, 8,716.09 and 3,926.18 is: 5,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.27 : 8,716.09 = 3,926.18 : x
  2. Step 2: Convert to fraction form
    6,316.27/8,716.09 = 3,926.18/x
  3. Step 3: Cross multiply
    6,316.27x = 8,716.09 × 3,926.18
  4. Step 4: Simplify right side
    6,316.27x = 34,220,938.24
  5. Step 5: Solve for x
    x = 34,220,938.24/6,316.27
  6. Step 6: Final answer
    x = 5,417.90

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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.