Home / 11,129.12-16,696.56-5,582.24

Finding the Fourth Proportional to 11,129.12, 16,696.56 and 5,582.24

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Solution

The fourth proportional to 11,129.12, 16,696.56 and 5,582.24 is: 8,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.12 : 16,696.56 = 5,582.24 : x
  2. Step 2: Convert to fraction form
    11,129.12/16,696.56 = 5,582.24/x
  3. Step 3: Cross multiply
    11,129.12x = 16,696.56 × 5,582.24
  4. Step 4: Simplify right side
    11,129.12x = 93,204,205.09
  5. Step 5: Solve for x
    x = 93,204,205.09/11,129.12
  6. Step 6: Final answer
    x = 8,374.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.