Home / 9,668.28-14,502.36-2,742.78

Finding the Fourth Proportional to 9,668.28, 14,502.36 and 2,742.78

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Solution

The fourth proportional to 9,668.28, 14,502.36 and 2,742.78 is: 4,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.28 : 14,502.36 = 2,742.78 : x
  2. Step 2: Convert to fraction form
    9,668.28/14,502.36 = 2,742.78/x
  3. Step 3: Cross multiply
    9,668.28x = 14,502.36 × 2,742.78
  4. Step 4: Simplify right side
    9,668.28x = 39,776,782.96
  5. Step 5: Solve for x
    x = 39,776,782.96/9,668.28
  6. Step 6: Final answer
    x = 4,114.15

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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.