Home / 11,622.46-16,039.10-6,317.29

Finding the Fourth Proportional to 11,622.46, 16,039.10 and 6,317.29

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Solution

The fourth proportional to 11,622.46, 16,039.10 and 6,317.29 is: 8,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.46 : 16,039.10 = 6,317.29 : x
  2. Step 2: Convert to fraction form
    11,622.46/16,039.10 = 6,317.29/x
  3. Step 3: Cross multiply
    11,622.46x = 16,039.10 × 6,317.29
  4. Step 4: Simplify right side
    11,622.46x = 101,323,534.26
  5. Step 5: Solve for x
    x = 101,323,534.26/11,622.46
  6. Step 6: Final answer
    x = 8,717.91

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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.