Home / 11,102.91-16,662.58-5,259.53

Finding the Fourth Proportional to 11,102.91, 16,662.58 and 5,259.53

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Solution

The fourth proportional to 11,102.91, 16,662.58 and 5,259.53 is: 7,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.91 : 16,662.58 = 5,259.53 : x
  2. Step 2: Convert to fraction form
    11,102.91/16,662.58 = 5,259.53/x
  3. Step 3: Cross multiply
    11,102.91x = 16,662.58 × 5,259.53
  4. Step 4: Simplify right side
    11,102.91x = 87,637,367.90
  5. Step 5: Solve for x
    x = 87,637,367.90/11,102.91
  6. Step 6: Final answer
    x = 7,893.19

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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.