Home / 9,012.21-13,518.32-3,167.48

Finding the Fourth Proportional to 9,012.21, 13,518.32 and 3,167.48

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Solution

The fourth proportional to 9,012.21, 13,518.32 and 3,167.48 is: 4,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.21 : 13,518.32 = 3,167.48 : x
  2. Step 2: Convert to fraction form
    9,012.21/13,518.32 = 3,167.48/x
  3. Step 3: Cross multiply
    9,012.21x = 13,518.32 × 3,167.48
  4. Step 4: Simplify right side
    9,012.21x = 42,818,924.80
  5. Step 5: Solve for x
    x = 42,818,924.80/9,012.21
  6. Step 6: Final answer
    x = 4,751.21

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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.