Home / 10,101.75-15,148.49-3,525.72

Finding the Fourth Proportional to 10,101.75, 15,148.49 and 3,525.72

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Solution

The fourth proportional to 10,101.75, 15,148.49 and 3,525.72 is: 5,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.75 : 15,148.49 = 3,525.72 : x
  2. Step 2: Convert to fraction form
    10,101.75/15,148.49 = 3,525.72/x
  3. Step 3: Cross multiply
    10,101.75x = 15,148.49 × 3,525.72
  4. Step 4: Simplify right side
    10,101.75x = 53,409,316.53
  5. Step 5: Solve for x
    x = 53,409,316.53/10,101.75
  6. Step 6: Final answer
    x = 5,287.14

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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.