Home / 9,194.09-12,689.46-5,214.42

Finding the Fourth Proportional to 9,194.09, 12,689.46 and 5,214.42

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Solution

The fourth proportional to 9,194.09, 12,689.46 and 5,214.42 is: 7,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.09 : 12,689.46 = 5,214.42 : x
  2. Step 2: Convert to fraction form
    9,194.09/12,689.46 = 5,214.42/x
  3. Step 3: Cross multiply
    9,194.09x = 12,689.46 × 5,214.42
  4. Step 4: Simplify right side
    9,194.09x = 66,168,174.01
  5. Step 5: Solve for x
    x = 66,168,174.01/9,194.09
  6. Step 6: Final answer
    x = 7,196.82

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Similar ratio
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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.