Home / 9,291.12-13,938.82-3,051.66

Finding the Fourth Proportional to 9,291.12, 13,938.82 and 3,051.66

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Solution

The fourth proportional to 9,291.12, 13,938.82 and 3,051.66 is: 4,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.12 : 13,938.82 = 3,051.66 : x
  2. Step 2: Convert to fraction form
    9,291.12/13,938.82 = 3,051.66/x
  3. Step 3: Cross multiply
    9,291.12x = 13,938.82 × 3,051.66
  4. Step 4: Simplify right side
    9,291.12x = 42,536,539.44
  5. Step 5: Solve for x
    x = 42,536,539.44/9,291.12
  6. Step 6: Final answer
    x = 4,578.19

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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.