Home / 9,217.15-13,825.71-2,291.65

Finding the Fourth Proportional to 9,217.15, 13,825.71 and 2,291.65

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Solution

The fourth proportional to 9,217.15, 13,825.71 and 2,291.65 is: 3,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.15 : 13,825.71 = 2,291.65 : x
  2. Step 2: Convert to fraction form
    9,217.15/13,825.71 = 2,291.65/x
  3. Step 3: Cross multiply
    9,217.15x = 13,825.71 × 2,291.65
  4. Step 4: Simplify right side
    9,217.15x = 31,683,619.19
  5. Step 5: Solve for x
    x = 31,683,619.19/9,217.15
  6. Step 6: Final answer
    x = 3,437.47

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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.