Home / 7,994.17-11,037.40-5,168.38

Finding the Fourth Proportional to 7,994.17, 11,037.40 and 5,168.38

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Solution

The fourth proportional to 7,994.17, 11,037.40 and 5,168.38 is: 7,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.17 : 11,037.40 = 5,168.38 : x
  2. Step 2: Convert to fraction form
    7,994.17/11,037.40 = 5,168.38/x
  3. Step 3: Cross multiply
    7,994.17x = 11,037.40 × 5,168.38
  4. Step 4: Simplify right side
    7,994.17x = 57,045,510.44
  5. Step 5: Solve for x
    x = 57,045,510.44/7,994.17
  6. Step 6: Final answer
    x = 7,135.89

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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.