Home / 10,037.14-13,855.82-7,168.02

Finding the Fourth Proportional to 10,037.14, 13,855.82 and 7,168.02

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Solution

The fourth proportional to 10,037.14, 13,855.82 and 7,168.02 is: 9,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,037.14 : 13,855.82 = 7,168.02 : x
  2. Step 2: Convert to fraction form
    10,037.14/13,855.82 = 7,168.02/x
  3. Step 3: Cross multiply
    10,037.14x = 13,855.82 × 7,168.02
  4. Step 4: Simplify right side
    10,037.14x = 99,318,794.88
  5. Step 5: Solve for x
    x = 99,318,794.88/10,037.14
  6. Step 6: Final answer
    x = 9,895.13

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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.