Home / 11,208.56-16,812.82-3,417.38

Finding the Fourth Proportional to 11,208.56, 16,812.82 and 3,417.38

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Solution

The fourth proportional to 11,208.56, 16,812.82 and 3,417.38 is: 5,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.56 : 16,812.82 = 3,417.38 : x
  2. Step 2: Convert to fraction form
    11,208.56/16,812.82 = 3,417.38/x
  3. Step 3: Cross multiply
    11,208.56x = 16,812.82 × 3,417.38
  4. Step 4: Simplify right side
    11,208.56x = 57,455,794.81
  5. Step 5: Solve for x
    x = 57,455,794.81/11,208.56
  6. Step 6: Final answer
    x = 5,126.06

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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.