Home / 11,246.43-15,505.52-7,703.31

Finding the Fourth Proportional to 11,246.43, 15,505.52 and 7,703.31

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Solution

The fourth proportional to 11,246.43, 15,505.52 and 7,703.31 is: 10,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.43 : 15,505.52 = 7,703.31 : x
  2. Step 2: Convert to fraction form
    11,246.43/15,505.52 = 7,703.31/x
  3. Step 3: Cross multiply
    11,246.43x = 15,505.52 × 7,703.31
  4. Step 4: Simplify right side
    11,246.43x = 119,443,788.75
  5. Step 5: Solve for x
    x = 119,443,788.75/11,246.43
  6. Step 6: Final answer
    x = 10,620.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.