Home / 10,319.20-15,481.41-4,776.53

Finding the Fourth Proportional to 10,319.20, 15,481.41 and 4,776.53

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Solution

The fourth proportional to 10,319.20, 15,481.41 and 4,776.53 is: 7,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.20 : 15,481.41 = 4,776.53 : x
  2. Step 2: Convert to fraction form
    10,319.20/15,481.41 = 4,776.53/x
  3. Step 3: Cross multiply
    10,319.20x = 15,481.41 × 4,776.53
  4. Step 4: Simplify right side
    10,319.20x = 73,947,419.31
  5. Step 5: Solve for x
    x = 73,947,419.31/10,319.20
  6. Step 6: Final answer
    x = 7,166.01

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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.