Home / 9,813.88-13,540.15-5,564.26

Finding the Fourth Proportional to 9,813.88, 13,540.15 and 5,564.26

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Solution

The fourth proportional to 9,813.88, 13,540.15 and 5,564.26 is: 7,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.88 : 13,540.15 = 5,564.26 : x
  2. Step 2: Convert to fraction form
    9,813.88/13,540.15 = 5,564.26/x
  3. Step 3: Cross multiply
    9,813.88x = 13,540.15 × 5,564.26
  4. Step 4: Simplify right side
    9,813.88x = 75,340,915.04
  5. Step 5: Solve for x
    x = 75,340,915.04/9,813.88
  6. Step 6: Final answer
    x = 7,676.98

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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.