Home / 10,351.45-15,534.37-4,505.05

Finding the Fourth Proportional to 10,351.45, 15,534.37 and 4,505.05

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Solution

The fourth proportional to 10,351.45, 15,534.37 and 4,505.05 is: 6,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.45 : 15,534.37 = 4,505.05 : x
  2. Step 2: Convert to fraction form
    10,351.45/15,534.37 = 4,505.05/x
  3. Step 3: Cross multiply
    10,351.45x = 15,534.37 × 4,505.05
  4. Step 4: Simplify right side
    10,351.45x = 69,983,024.63
  5. Step 5: Solve for x
    x = 69,983,024.63/10,351.45
  6. Step 6: Final answer
    x = 6,760.70

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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.