Home / 10,518.05-15,754.46-4,963.07

Finding the Fourth Proportional to 10,518.05, 15,754.46 and 4,963.07

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Solution

The fourth proportional to 10,518.05, 15,754.46 and 4,963.07 is: 7,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.05 : 15,754.46 = 4,963.07 : x
  2. Step 2: Convert to fraction form
    10,518.05/15,754.46 = 4,963.07/x
  3. Step 3: Cross multiply
    10,518.05x = 15,754.46 × 4,963.07
  4. Step 4: Simplify right side
    10,518.05x = 78,190,502.36
  5. Step 5: Solve for x
    x = 78,190,502.36/10,518.05
  6. Step 6: Final answer
    x = 7,433.93

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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.