Home / 9,981.72-14,975.11-3,741.75

Finding the Fourth Proportional to 9,981.72, 14,975.11 and 3,741.75

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Solution

The fourth proportional to 9,981.72, 14,975.11 and 3,741.75 is: 5,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.72 : 14,975.11 = 3,741.75 : x
  2. Step 2: Convert to fraction form
    9,981.72/14,975.11 = 3,741.75/x
  3. Step 3: Cross multiply
    9,981.72x = 14,975.11 × 3,741.75
  4. Step 4: Simplify right side
    9,981.72x = 56,033,117.84
  5. Step 5: Solve for x
    x = 56,033,117.84/9,981.72
  6. Step 6: Final answer
    x = 5,613.57

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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.