Home / 11,102.28-16,650.99-6,412.38

Finding the Fourth Proportional to 11,102.28, 16,650.99 and 6,412.38

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Solution

The fourth proportional to 11,102.28, 16,650.99 and 6,412.38 is: 9,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.28 : 16,650.99 = 6,412.38 : x
  2. Step 2: Convert to fraction form
    11,102.28/16,650.99 = 6,412.38/x
  3. Step 3: Cross multiply
    11,102.28x = 16,650.99 × 6,412.38
  4. Step 4: Simplify right side
    11,102.28x = 106,772,475.26
  5. Step 5: Solve for x
    x = 106,772,475.26/11,102.28
  6. Step 6: Final answer
    x = 9,617.17

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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.