Home / 9,726.36-13,408.38-6,927

Finding the Fourth Proportional to 9,726.36, 13,408.38 and 6,927

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Solution

The fourth proportional to 9,726.36, 13,408.38 and 6,927 is: 9,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.36 : 13,408.38 = 6,927 : x
  2. Step 2: Convert to fraction form
    9,726.36/13,408.38 = 6,927/x
  3. Step 3: Cross multiply
    9,726.36x = 13,408.38 × 6,927
  4. Step 4: Simplify right side
    9,726.36x = 92,879,848.26
  5. Step 5: Solve for x
    x = 92,879,848.26/9,726.36
  6. Step 6: Final answer
    x = 9,549.29

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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.