Home / 11,160.39-15,401.82-6,683.28

Finding the Fourth Proportional to 11,160.39, 15,401.82 and 6,683.28

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Solution

The fourth proportional to 11,160.39, 15,401.82 and 6,683.28 is: 9,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.39 : 15,401.82 = 6,683.28 : x
  2. Step 2: Convert to fraction form
    11,160.39/15,401.82 = 6,683.28/x
  3. Step 3: Cross multiply
    11,160.39x = 15,401.82 × 6,683.28
  4. Step 4: Simplify right side
    11,160.39x = 102,934,754.03
  5. Step 5: Solve for x
    x = 102,934,754.03/11,160.39
  6. Step 6: Final answer
    x = 9,223.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.