Home / 10,310.78-15,455.53-4,062.34

Finding the Fourth Proportional to 10,310.78, 15,455.53 and 4,062.34

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Solution

The fourth proportional to 10,310.78, 15,455.53 and 4,062.34 is: 6,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.78 : 15,455.53 = 4,062.34 : x
  2. Step 2: Convert to fraction form
    10,310.78/15,455.53 = 4,062.34/x
  3. Step 3: Cross multiply
    10,310.78x = 15,455.53 × 4,062.34
  4. Step 4: Simplify right side
    10,310.78x = 62,785,568.95
  5. Step 5: Solve for x
    x = 62,785,568.95/10,310.78
  6. Step 6: Final answer
    x = 6,089.32

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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.