Home / 11,748.68-17,623.83-4,728.75

Finding the Fourth Proportional to 11,748.68, 17,623.83 and 4,728.75

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Solution

The fourth proportional to 11,748.68, 17,623.83 and 4,728.75 is: 7,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.68 : 17,623.83 = 4,728.75 : x
  2. Step 2: Convert to fraction form
    11,748.68/17,623.83 = 4,728.75/x
  3. Step 3: Cross multiply
    11,748.68x = 17,623.83 × 4,728.75
  4. Step 4: Simplify right side
    11,748.68x = 83,338,686.11
  5. Step 5: Solve for x
    x = 83,338,686.11/11,748.68
  6. Step 6: Final answer
    x = 7,093.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.