Home / 10,218.96-15,334.35-4,295.37

Finding the Fourth Proportional to 10,218.96, 15,334.35 and 4,295.37

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Solution

The fourth proportional to 10,218.96, 15,334.35 and 4,295.37 is: 6,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.96 : 15,334.35 = 4,295.37 : x
  2. Step 2: Convert to fraction form
    10,218.96/15,334.35 = 4,295.37/x
  3. Step 3: Cross multiply
    10,218.96x = 15,334.35 × 4,295.37
  4. Step 4: Simplify right side
    10,218.96x = 65,866,748.36
  5. Step 5: Solve for x
    x = 65,866,748.36/10,218.96
  6. Step 6: Final answer
    x = 6,445.54

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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.