Home / 10,872.33-14,998.47-7,093.75

Finding the Fourth Proportional to 10,872.33, 14,998.47 and 7,093.75

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Solution

The fourth proportional to 10,872.33, 14,998.47 and 7,093.75 is: 9,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.33 : 14,998.47 = 7,093.75 : x
  2. Step 2: Convert to fraction form
    10,872.33/14,998.47 = 7,093.75/x
  3. Step 3: Cross multiply
    10,872.33x = 14,998.47 × 7,093.75
  4. Step 4: Simplify right side
    10,872.33x = 106,395,396.56
  5. Step 5: Solve for x
    x = 106,395,396.56/10,872.33
  6. Step 6: Final answer
    x = 9,785.89

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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.