Home / 10,394.48-15,563.56-6,920.56

Finding the Fourth Proportional to 10,394.48, 15,563.56 and 6,920.56

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Solution

The fourth proportional to 10,394.48, 15,563.56 and 6,920.56 is: 10,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.48 : 15,563.56 = 6,920.56 : x
  2. Step 2: Convert to fraction form
    10,394.48/15,563.56 = 6,920.56/x
  3. Step 3: Cross multiply
    10,394.48x = 15,563.56 × 6,920.56
  4. Step 4: Simplify right side
    10,394.48x = 107,708,550.79
  5. Step 5: Solve for x
    x = 107,708,550.79/10,394.48
  6. Step 6: Final answer
    x = 10,362.09

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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.