Home / 8,823.88-13,235.82-3,561.28

Finding the Fourth Proportional to 8,823.88, 13,235.82 and 3,561.28

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Solution

The fourth proportional to 8,823.88, 13,235.82 and 3,561.28 is: 5,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.88 : 13,235.82 = 3,561.28 : x
  2. Step 2: Convert to fraction form
    8,823.88/13,235.82 = 3,561.28/x
  3. Step 3: Cross multiply
    8,823.88x = 13,235.82 × 3,561.28
  4. Step 4: Simplify right side
    8,823.88x = 47,136,461.05
  5. Step 5: Solve for x
    x = 47,136,461.05/8,823.88
  6. Step 6: Final answer
    x = 5,341.92

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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.