Home / 8,742.96-13,111.60-2,898

Finding the Fourth Proportional to 8,742.96, 13,111.60 and 2,898

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Solution

The fourth proportional to 8,742.96, 13,111.60 and 2,898 is: 4,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.96 : 13,111.60 = 2,898 : x
  2. Step 2: Convert to fraction form
    8,742.96/13,111.60 = 2,898/x
  3. Step 3: Cross multiply
    8,742.96x = 13,111.60 × 2,898
  4. Step 4: Simplify right side
    8,742.96x = 37,997,416.80
  5. Step 5: Solve for x
    x = 37,997,416.80/8,742.96
  6. Step 6: Final answer
    x = 4,346.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.