Home / 11,098.46-15,310.94-7,316.78

Finding the Fourth Proportional to 11,098.46, 15,310.94 and 7,316.78

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Solution

The fourth proportional to 11,098.46, 15,310.94 and 7,316.78 is: 10,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.46 : 15,310.94 = 7,316.78 : x
  2. Step 2: Convert to fraction form
    11,098.46/15,310.94 = 7,316.78/x
  3. Step 3: Cross multiply
    11,098.46x = 15,310.94 × 7,316.78
  4. Step 4: Simplify right side
    11,098.46x = 112,026,779.57
  5. Step 5: Solve for x
    x = 112,026,779.57/11,098.46
  6. Step 6: Final answer
    x = 10,093.90

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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.