Home / 9,118.58-13,675.43-2,543.60

Finding the Fourth Proportional to 9,118.58, 13,675.43 and 2,543.60

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Solution

The fourth proportional to 9,118.58, 13,675.43 and 2,543.60 is: 3,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.58 : 13,675.43 = 2,543.60 : x
  2. Step 2: Convert to fraction form
    9,118.58/13,675.43 = 2,543.60/x
  3. Step 3: Cross multiply
    9,118.58x = 13,675.43 × 2,543.60
  4. Step 4: Simplify right side
    9,118.58x = 34,784,864.30
  5. Step 5: Solve for x
    x = 34,784,864.30/9,118.58
  6. Step 6: Final answer
    x = 3,814.73

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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.