Home / 8,076.31-11,145.44-4,442.51

Finding the Fourth Proportional to 8,076.31, 11,145.44 and 4,442.51

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Solution

The fourth proportional to 8,076.31, 11,145.44 and 4,442.51 is: 6,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.31 : 11,145.44 = 4,442.51 : x
  2. Step 2: Convert to fraction form
    8,076.31/11,145.44 = 4,442.51/x
  3. Step 3: Cross multiply
    8,076.31x = 11,145.44 × 4,442.51
  4. Step 4: Simplify right side
    8,076.31x = 49,513,767.62
  5. Step 5: Solve for x
    x = 49,513,767.62/8,076.31
  6. Step 6: Final answer
    x = 6,130.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.