Home / 11,036.76-15,229.57-6,788.05

Finding the Fourth Proportional to 11,036.76, 15,229.57 and 6,788.05

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Solution

The fourth proportional to 11,036.76, 15,229.57 and 6,788.05 is: 9,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.76 : 15,229.57 = 6,788.05 : x
  2. Step 2: Convert to fraction form
    11,036.76/15,229.57 = 6,788.05/x
  3. Step 3: Cross multiply
    11,036.76x = 15,229.57 × 6,788.05
  4. Step 4: Simplify right side
    11,036.76x = 103,379,125.99
  5. Step 5: Solve for x
    x = 103,379,125.99/11,036.76
  6. Step 6: Final answer
    x = 9,366.80

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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.