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Finding the Fourth Proportional to 11,038.88, 15,229.94 and 7,495.94

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Solution

The fourth proportional to 11,038.88, 15,229.94 and 7,495.94 is: 10,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.88 : 15,229.94 = 7,495.94 : x
  2. Step 2: Convert to fraction form
    11,038.88/15,229.94 = 7,495.94/x
  3. Step 3: Cross multiply
    11,038.88x = 15,229.94 × 7,495.94
  4. Step 4: Simplify right side
    11,038.88x = 114,162,716.44
  5. Step 5: Solve for x
    x = 114,162,716.44/11,038.88
  6. Step 6: Final answer
    x = 10,341.87

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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.