Home / 9,315.22-13,975.68-3,767.53

Finding the Fourth Proportional to 9,315.22, 13,975.68 and 3,767.53

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Solution

The fourth proportional to 9,315.22, 13,975.68 and 3,767.53 is: 5,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.22 : 13,975.68 = 3,767.53 : x
  2. Step 2: Convert to fraction form
    9,315.22/13,975.68 = 3,767.53/x
  3. Step 3: Cross multiply
    9,315.22x = 13,975.68 × 3,767.53
  4. Step 4: Simplify right side
    9,315.22x = 52,653,793.67
  5. Step 5: Solve for x
    x = 52,653,793.67/9,315.22
  6. Step 6: Final answer
    x = 5,652.45

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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.