Home / 10,362.88-15,552-5,749.76

Finding the Fourth Proportional to 10,362.88, 15,552 and 5,749.76

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Solution

The fourth proportional to 10,362.88, 15,552 and 5,749.76 is: 8,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.88 : 15,552 = 5,749.76 : x
  2. Step 2: Convert to fraction form
    10,362.88/15,552 = 5,749.76/x
  3. Step 3: Cross multiply
    10,362.88x = 15,552 × 5,749.76
  4. Step 4: Simplify right side
    10,362.88x = 89,420,267.52
  5. Step 5: Solve for x
    x = 89,420,267.52/10,362.88
  6. Step 6: Final answer
    x = 8,628.90

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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.