Home / 9,086.61-13,631.75-3,243.07

Finding the Fourth Proportional to 9,086.61, 13,631.75 and 3,243.07

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Solution

The fourth proportional to 9,086.61, 13,631.75 and 3,243.07 is: 4,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.61 : 13,631.75 = 3,243.07 : x
  2. Step 2: Convert to fraction form
    9,086.61/13,631.75 = 3,243.07/x
  3. Step 3: Cross multiply
    9,086.61x = 13,631.75 × 3,243.07
  4. Step 4: Simplify right side
    9,086.61x = 44,208,706.90
  5. Step 5: Solve for x
    x = 44,208,706.90/9,086.61
  6. Step 6: Final answer
    x = 4,865.26

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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.