Home / 10,101.18-15,153.12-3,525.78

Finding the Fourth Proportional to 10,101.18, 15,153.12 and 3,525.78

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Solution

The fourth proportional to 10,101.18, 15,153.12 and 3,525.78 is: 5,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.18 : 15,153.12 = 3,525.78 : x
  2. Step 2: Convert to fraction form
    10,101.18/15,153.12 = 3,525.78/x
  3. Step 3: Cross multiply
    10,101.18x = 15,153.12 × 3,525.78
  4. Step 4: Simplify right side
    10,101.18x = 53,426,567.43
  5. Step 5: Solve for x
    x = 53,426,567.43/10,101.18
  6. Step 6: Final answer
    x = 5,289.14

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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.