Home / 11,315.56-16,846.61-11,260.84

Finding the Fourth Proportional to 11,315.56, 16,846.61 and 11,260.84

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Solution

The fourth proportional to 11,315.56, 16,846.61 and 11,260.84 is: 16,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.56 : 16,846.61 = 11,260.84 : x
  2. Step 2: Convert to fraction form
    11,315.56/16,846.61 = 11,260.84/x
  3. Step 3: Cross multiply
    11,315.56x = 16,846.61 × 11,260.84
  4. Step 4: Simplify right side
    11,315.56x = 189,706,979.75
  5. Step 5: Solve for x
    x = 189,706,979.75/11,315.56
  6. Step 6: Final answer
    x = 16,765.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.