Home / 11,622.57-16,038.69-6,317.27

Finding the Fourth Proportional to 11,622.57, 16,038.69 and 6,317.27

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Solution

The fourth proportional to 11,622.57, 16,038.69 and 6,317.27 is: 8,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.57 : 16,038.69 = 6,317.27 : x
  2. Step 2: Convert to fraction form
    11,622.57/16,038.69 = 6,317.27/x
  3. Step 3: Cross multiply
    11,622.57x = 16,038.69 × 6,317.27
  4. Step 4: Simplify right side
    11,622.57x = 101,320,735.18
  5. Step 5: Solve for x
    x = 101,320,735.18/11,622.57
  6. Step 6: Final answer
    x = 8,717.58

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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.