Home / 11,111.25-16,652.66-4,869.59

Finding the Fourth Proportional to 11,111.25, 16,652.66 and 4,869.59

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Solution

The fourth proportional to 11,111.25, 16,652.66 and 4,869.59 is: 7,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.25 : 16,652.66 = 4,869.59 : x
  2. Step 2: Convert to fraction form
    11,111.25/16,652.66 = 4,869.59/x
  3. Step 3: Cross multiply
    11,111.25x = 16,652.66 × 4,869.59
  4. Step 4: Simplify right side
    11,111.25x = 81,091,519.00
  5. Step 5: Solve for x
    x = 81,091,519.00/11,111.25
  6. Step 6: Final answer
    x = 7,298.15

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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.