Home / 11,017.36-15,199.56-7,037.44

Finding the Fourth Proportional to 11,017.36, 15,199.56 and 7,037.44

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Solution

The fourth proportional to 11,017.36, 15,199.56 and 7,037.44 is: 9,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.36 : 15,199.56 = 7,037.44 : x
  2. Step 2: Convert to fraction form
    11,017.36/15,199.56 = 7,037.44/x
  3. Step 3: Cross multiply
    11,017.36x = 15,199.56 × 7,037.44
  4. Step 4: Simplify right side
    11,017.36x = 106,965,991.53
  5. Step 5: Solve for x
    x = 106,965,991.53/11,017.36
  6. Step 6: Final answer
    x = 9,708.86

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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.