Home / 9,726.14-13,422.75-5,534.39

Finding the Fourth Proportional to 9,726.14, 13,422.75 and 5,534.39

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Solution

The fourth proportional to 9,726.14, 13,422.75 and 5,534.39 is: 7,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.14 : 13,422.75 = 5,534.39 : x
  2. Step 2: Convert to fraction form
    9,726.14/13,422.75 = 5,534.39/x
  3. Step 3: Cross multiply
    9,726.14x = 13,422.75 × 5,534.39
  4. Step 4: Simplify right side
    9,726.14x = 74,286,726.97
  5. Step 5: Solve for x
    x = 74,286,726.97/9,726.14
  6. Step 6: Final answer
    x = 7,637.84

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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.