Home / 11,226.86-15,489.59-6,510.23

Finding the Fourth Proportional to 11,226.86, 15,489.59 and 6,510.23

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Solution

The fourth proportional to 11,226.86, 15,489.59 and 6,510.23 is: 8,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.86 : 15,489.59 = 6,510.23 : x
  2. Step 2: Convert to fraction form
    11,226.86/15,489.59 = 6,510.23/x
  3. Step 3: Cross multiply
    11,226.86x = 15,489.59 × 6,510.23
  4. Step 4: Simplify right side
    11,226.86x = 100,840,793.51
  5. Step 5: Solve for x
    x = 100,840,793.51/11,226.86
  6. Step 6: Final answer
    x = 8,982.10

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Half scale
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Double scale
Find fourth proportional to 11,227.86, 15,490.97 and 6,511.23
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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.