Home / 11,111.67-15,337.22-6,633.99

Finding the Fourth Proportional to 11,111.67, 15,337.22 and 6,633.99

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Solution

The fourth proportional to 11,111.67, 15,337.22 and 6,633.99 is: 9,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.67 : 15,337.22 = 6,633.99 : x
  2. Step 2: Convert to fraction form
    11,111.67/15,337.22 = 6,633.99/x
  3. Step 3: Cross multiply
    11,111.67x = 15,337.22 × 6,633.99
  4. Step 4: Simplify right side
    11,111.67x = 101,746,930.94
  5. Step 5: Solve for x
    x = 101,746,930.94/11,111.67
  6. Step 6: Final answer
    x = 9,156.76

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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.