Home / 9,726.10-13,422.10-5,534.62

Finding the Fourth Proportional to 9,726.10, 13,422.10 and 5,534.62

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Solution

The fourth proportional to 9,726.10, 13,422.10 and 5,534.62 is: 7,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.10 : 13,422.10 = 5,534.62 : x
  2. Step 2: Convert to fraction form
    9,726.10/13,422.10 = 5,534.62/x
  3. Step 3: Cross multiply
    9,726.10x = 13,422.10 × 5,534.62
  4. Step 4: Simplify right side
    9,726.10x = 74,286,223.10
  5. Step 5: Solve for x
    x = 74,286,223.10/9,726.10
  6. Step 6: Final answer
    x = 7,637.82

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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.