Home / 9,191.34-13,785.71-2,950.54

Finding the Fourth Proportional to 9,191.34, 13,785.71 and 2,950.54

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Solution

The fourth proportional to 9,191.34, 13,785.71 and 2,950.54 is: 4,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.34 : 13,785.71 = 2,950.54 : x
  2. Step 2: Convert to fraction form
    9,191.34/13,785.71 = 2,950.54/x
  3. Step 3: Cross multiply
    9,191.34x = 13,785.71 × 2,950.54
  4. Step 4: Simplify right side
    9,191.34x = 40,675,317.11
  5. Step 5: Solve for x
    x = 40,675,317.11/9,191.34
  6. Step 6: Final answer
    x = 4,425.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.