Home / 9,975.40-14,960.70-3,049.96

Finding the Fourth Proportional to 9,975.40, 14,960.70 and 3,049.96

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Solution

The fourth proportional to 9,975.40, 14,960.70 and 3,049.96 is: 4,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.40 : 14,960.70 = 3,049.96 : x
  2. Step 2: Convert to fraction form
    9,975.40/14,960.70 = 3,049.96/x
  3. Step 3: Cross multiply
    9,975.40x = 14,960.70 × 3,049.96
  4. Step 4: Simplify right side
    9,975.40x = 45,629,536.57
  5. Step 5: Solve for x
    x = 45,629,536.57/9,975.40
  6. Step 6: Final answer
    x = 4,574.21

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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.