Home / 9,217.67-12,716.55-5,439.33

Finding the Fourth Proportional to 9,217.67, 12,716.55 and 5,439.33

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Solution

The fourth proportional to 9,217.67, 12,716.55 and 5,439.33 is: 7,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.67 : 12,716.55 = 5,439.33 : x
  2. Step 2: Convert to fraction form
    9,217.67/12,716.55 = 5,439.33/x
  3. Step 3: Cross multiply
    9,217.67x = 12,716.55 × 5,439.33
  4. Step 4: Simplify right side
    9,217.67x = 69,169,511.91
  5. Step 5: Solve for x
    x = 69,169,511.91/9,217.67
  6. Step 6: Final answer
    x = 7,504.02

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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.