Home / 11,422.28-17,135.82-4,848.32

Finding the Fourth Proportional to 11,422.28, 17,135.82 and 4,848.32

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Solution

The fourth proportional to 11,422.28, 17,135.82 and 4,848.32 is: 7,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.28 : 17,135.82 = 4,848.32 : x
  2. Step 2: Convert to fraction form
    11,422.28/17,135.82 = 4,848.32/x
  3. Step 3: Cross multiply
    11,422.28x = 17,135.82 × 4,848.32
  4. Step 4: Simplify right side
    11,422.28x = 83,079,938.82
  5. Step 5: Solve for x
    x = 83,079,938.82/11,422.28
  6. Step 6: Final answer
    x = 7,273.50

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1.5x scale

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.