Home / 10,533.20-15,791.85-6,372.32

Finding the Fourth Proportional to 10,533.20, 15,791.85 and 6,372.32

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Solution

The fourth proportional to 10,533.20, 15,791.85 and 6,372.32 is: 9,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.20 : 15,791.85 = 6,372.32 : x
  2. Step 2: Convert to fraction form
    10,533.20/15,791.85 = 6,372.32/x
  3. Step 3: Cross multiply
    10,533.20x = 15,791.85 × 6,372.32
  4. Step 4: Simplify right side
    10,533.20x = 100,630,642.63
  5. Step 5: Solve for x
    x = 100,630,642.63/10,533.20
  6. Step 6: Final answer
    x = 9,553.67

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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.