Home / 9,742.74-14,615.94-3,170.80

Finding the Fourth Proportional to 9,742.74, 14,615.94 and 3,170.80

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Solution

The fourth proportional to 9,742.74, 14,615.94 and 3,170.80 is: 4,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.74 : 14,615.94 = 3,170.80 : x
  2. Step 2: Convert to fraction form
    9,742.74/14,615.94 = 3,170.80/x
  3. Step 3: Cross multiply
    9,742.74x = 14,615.94 × 3,170.80
  4. Step 4: Simplify right side
    9,742.74x = 46,344,206.70
  5. Step 5: Solve for x
    x = 46,344,206.70/9,742.74
  6. Step 6: Final answer
    x = 4,756.80

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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.