Home / 10,726.96-14,724.26-9,521.68

Finding the Fourth Proportional to 10,726.96, 14,724.26 and 9,521.68

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Solution

The fourth proportional to 10,726.96, 14,724.26 and 9,521.68 is: 13,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.96 : 14,724.26 = 9,521.68 : x
  2. Step 2: Convert to fraction form
    10,726.96/14,724.26 = 9,521.68/x
  3. Step 3: Cross multiply
    10,726.96x = 14,724.26 × 9,521.68
  4. Step 4: Simplify right side
    10,726.96x = 140,199,691.96
  5. Step 5: Solve for x
    x = 140,199,691.96/10,726.96
  6. Step 6: Final answer
    x = 13,069.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.