Home / 8,742.22-13,111.97-4,795.42

Finding the Fourth Proportional to 8,742.22, 13,111.97 and 4,795.42

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Solution

The fourth proportional to 8,742.22, 13,111.97 and 4,795.42 is: 7,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.22 : 13,111.97 = 4,795.42 : x
  2. Step 2: Convert to fraction form
    8,742.22/13,111.97 = 4,795.42/x
  3. Step 3: Cross multiply
    8,742.22x = 13,111.97 × 4,795.42
  4. Step 4: Simplify right side
    8,742.22x = 62,877,403.18
  5. Step 5: Solve for x
    x = 62,877,403.18/8,742.22
  6. Step 6: Final answer
    x = 7,192.38

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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.