Home / 10,335.44-15,485.24-6,442.64

Finding the Fourth Proportional to 10,335.44, 15,485.24 and 6,442.64

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Solution

The fourth proportional to 10,335.44, 15,485.24 and 6,442.64 is: 9,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.44 : 15,485.24 = 6,442.64 : x
  2. Step 2: Convert to fraction form
    10,335.44/15,485.24 = 6,442.64/x
  3. Step 3: Cross multiply
    10,335.44x = 15,485.24 × 6,442.64
  4. Step 4: Simplify right side
    10,335.44x = 99,765,826.63
  5. Step 5: Solve for x
    x = 99,765,826.63/10,335.44
  6. Step 6: Final answer
    x = 9,652.79

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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.