Home / 10,505.33-15,736.68-4,875.08

Finding the Fourth Proportional to 10,505.33, 15,736.68 and 4,875.08

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Solution

The fourth proportional to 10,505.33, 15,736.68 and 4,875.08 is: 7,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.33 : 15,736.68 = 4,875.08 : x
  2. Step 2: Convert to fraction form
    10,505.33/15,736.68 = 4,875.08/x
  3. Step 3: Cross multiply
    10,505.33x = 15,736.68 × 4,875.08
  4. Step 4: Simplify right side
    10,505.33x = 76,717,573.93
  5. Step 5: Solve for x
    x = 76,717,573.93/10,505.33
  6. Step 6: Final answer
    x = 7,302.73

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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.