Home / 9,364.05-12,922.27-5,115.50

Finding the Fourth Proportional to 9,364.05, 12,922.27 and 5,115.50

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Solution

The fourth proportional to 9,364.05, 12,922.27 and 5,115.50 is: 7,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.05 : 12,922.27 = 5,115.50 : x
  2. Step 2: Convert to fraction form
    9,364.05/12,922.27 = 5,115.50/x
  3. Step 3: Cross multiply
    9,364.05x = 12,922.27 × 5,115.50
  4. Step 4: Simplify right side
    9,364.05x = 66,103,891.70
  5. Step 5: Solve for x
    x = 66,103,891.70/9,364.05
  6. Step 6: Final answer
    x = 7,059.33

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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.