Home / 11,539.56-17,340.59-6,278.45

Finding the Fourth Proportional to 11,539.56, 17,340.59 and 6,278.45

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Solution

The fourth proportional to 11,539.56, 17,340.59 and 6,278.45 is: 9,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.56 : 17,340.59 = 6,278.45 : x
  2. Step 2: Convert to fraction form
    11,539.56/17,340.59 = 6,278.45/x
  3. Step 3: Cross multiply
    11,539.56x = 17,340.59 × 6,278.45
  4. Step 4: Simplify right side
    11,539.56x = 108,872,086.33
  5. Step 5: Solve for x
    x = 108,872,086.33/11,539.56
  6. Step 6: Final answer
    x = 9,434.69

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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.