Home / 11,372.88-17,043.31-4,345.32

Finding the Fourth Proportional to 11,372.88, 17,043.31 and 4,345.32

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Solution

The fourth proportional to 11,372.88, 17,043.31 and 4,345.32 is: 6,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.88 : 17,043.31 = 4,345.32 : x
  2. Step 2: Convert to fraction form
    11,372.88/17,043.31 = 4,345.32/x
  3. Step 3: Cross multiply
    11,372.88x = 17,043.31 × 4,345.32
  4. Step 4: Simplify right side
    11,372.88x = 74,058,635.81
  5. Step 5: Solve for x
    x = 74,058,635.81/11,372.88
  6. Step 6: Final answer
    x = 6,511.86

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1.5x scale

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.