Home / 11,742.31-16,204.77-6,705.46

Finding the Fourth Proportional to 11,742.31, 16,204.77 and 6,705.46

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Solution

The fourth proportional to 11,742.31, 16,204.77 and 6,705.46 is: 9,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.31 : 16,204.77 = 6,705.46 : x
  2. Step 2: Convert to fraction form
    11,742.31/16,204.77 = 6,705.46/x
  3. Step 3: Cross multiply
    11,742.31x = 16,204.77 × 6,705.46
  4. Step 4: Simplify right side
    11,742.31x = 108,660,437.04
  5. Step 5: Solve for x
    x = 108,660,437.04/11,742.31
  6. Step 6: Final answer
    x = 9,253.75

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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.