Home / 10,293.11-15,440.12-5,021.87

Finding the Fourth Proportional to 10,293.11, 15,440.12 and 5,021.87

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Solution

The fourth proportional to 10,293.11, 15,440.12 and 5,021.87 is: 7,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.11 : 15,440.12 = 5,021.87 : x
  2. Step 2: Convert to fraction form
    10,293.11/15,440.12 = 5,021.87/x
  3. Step 3: Cross multiply
    10,293.11x = 15,440.12 × 5,021.87
  4. Step 4: Simplify right side
    10,293.11x = 77,538,191.95
  5. Step 5: Solve for x
    x = 77,538,191.95/10,293.11
  6. Step 6: Final answer
    x = 7,533.02

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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.