Home / 11,018.11-15,197.47-7,037.44

Finding the Fourth Proportional to 11,018.11, 15,197.47 and 7,037.44

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Solution

The fourth proportional to 11,018.11, 15,197.47 and 7,037.44 is: 9,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.11 : 15,197.47 = 7,037.44 : x
  2. Step 2: Convert to fraction form
    11,018.11/15,197.47 = 7,037.44/x
  3. Step 3: Cross multiply
    11,018.11x = 15,197.47 × 7,037.44
  4. Step 4: Simplify right side
    11,018.11x = 106,951,172.10
  5. Step 5: Solve for x
    x = 106,951,172.10/11,018.11
  6. Step 6: Final answer
    x = 9,706.86

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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.