Home / 11,622.19-16,039.98-6,906.47

Finding the Fourth Proportional to 11,622.19, 16,039.98 and 6,906.47

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Solution

The fourth proportional to 11,622.19, 16,039.98 and 6,906.47 is: 9,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.19 : 16,039.98 = 6,906.47 : x
  2. Step 2: Convert to fraction form
    11,622.19/16,039.98 = 6,906.47/x
  3. Step 3: Cross multiply
    11,622.19x = 16,039.98 × 6,906.47
  4. Step 4: Simplify right side
    11,622.19x = 110,779,640.67
  5. Step 5: Solve for x
    x = 110,779,640.67/11,622.19
  6. Step 6: Final answer
    x = 9,531.74

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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.