Home / 11,160.64-15,402.17-6,683.54

Finding the Fourth Proportional to 11,160.64, 15,402.17 and 6,683.54

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Solution

The fourth proportional to 11,160.64, 15,402.17 and 6,683.54 is: 9,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.64 : 15,402.17 = 6,683.54 : x
  2. Step 2: Convert to fraction form
    11,160.64/15,402.17 = 6,683.54/x
  3. Step 3: Cross multiply
    11,160.64x = 15,402.17 × 6,683.54
  4. Step 4: Simplify right side
    11,160.64x = 102,940,908.85
  5. Step 5: Solve for x
    x = 102,940,908.85/11,160.64
  6. Step 6: Final answer
    x = 9,223.57

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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.