Home / 11,622.43-16,038.61-6,317.11

Finding the Fourth Proportional to 11,622.43, 16,038.61 and 6,317.11

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Solution

The fourth proportional to 11,622.43, 16,038.61 and 6,317.11 is: 8,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.43 : 16,038.61 = 6,317.11 : x
  2. Step 2: Convert to fraction form
    11,622.43/16,038.61 = 6,317.11/x
  3. Step 3: Cross multiply
    11,622.43x = 16,038.61 × 6,317.11
  4. Step 4: Simplify right side
    11,622.43x = 101,317,663.62
  5. Step 5: Solve for x
    x = 101,317,663.62/11,622.43
  6. Step 6: Final answer
    x = 8,717.43

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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.