Home / 8,243.96-11,374.58-4,886.51

Finding the Fourth Proportional to 8,243.96, 11,374.58 and 4,886.51

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Solution

The fourth proportional to 8,243.96, 11,374.58 and 4,886.51 is: 6,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.96 : 11,374.58 = 4,886.51 : x
  2. Step 2: Convert to fraction form
    8,243.96/11,374.58 = 4,886.51/x
  3. Step 3: Cross multiply
    8,243.96x = 11,374.58 × 4,886.51
  4. Step 4: Simplify right side
    8,243.96x = 55,581,974.48
  5. Step 5: Solve for x
    x = 55,581,974.48/8,243.96
  6. Step 6: Final answer
    x = 6,742.15

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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.