Home / 11,238.31-16,867.81-5,695.51

Finding the Fourth Proportional to 11,238.31, 16,867.81 and 5,695.51

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Solution

The fourth proportional to 11,238.31, 16,867.81 and 5,695.51 is: 8,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.31 : 16,867.81 = 5,695.51 : x
  2. Step 2: Convert to fraction form
    11,238.31/16,867.81 = 5,695.51/x
  3. Step 3: Cross multiply
    11,238.31x = 16,867.81 × 5,695.51
  4. Step 4: Simplify right side
    11,238.31x = 96,070,780.53
  5. Step 5: Solve for x
    x = 96,070,780.53/11,238.31
  6. Step 6: Final answer
    x = 8,548.51

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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.