Home / 9,668.28-13,341.78-5,476.56

Finding the Fourth Proportional to 9,668.28, 13,341.78 and 5,476.56

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Solution

The fourth proportional to 9,668.28, 13,341.78 and 5,476.56 is: 7,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.28 : 13,341.78 = 5,476.56 : x
  2. Step 2: Convert to fraction form
    9,668.28/13,341.78 = 5,476.56/x
  3. Step 3: Cross multiply
    9,668.28x = 13,341.78 × 5,476.56
  4. Step 4: Simplify right side
    9,668.28x = 73,067,058.68
  5. Step 5: Solve for x
    x = 73,067,058.68/9,668.28
  6. Step 6: Final answer
    x = 7,557.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.