Home / 9,915.98-13,682.60-5,936.26

Finding the Fourth Proportional to 9,915.98, 13,682.60 and 5,936.26

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Solution

The fourth proportional to 9,915.98, 13,682.60 and 5,936.26 is: 8,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.98 : 13,682.60 = 5,936.26 : x
  2. Step 2: Convert to fraction form
    9,915.98/13,682.60 = 5,936.26/x
  3. Step 3: Cross multiply
    9,915.98x = 13,682.60 × 5,936.26
  4. Step 4: Simplify right side
    9,915.98x = 81,223,471.08
  5. Step 5: Solve for x
    x = 81,223,471.08/9,915.98
  6. Step 6: Final answer
    x = 8,191.17

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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.