Home / 11,316.35-15,618.44-6,600.63

Finding the Fourth Proportional to 11,316.35, 15,618.44 and 6,600.63

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Solution

The fourth proportional to 11,316.35, 15,618.44 and 6,600.63 is: 9,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.35 : 15,618.44 = 6,600.63 : x
  2. Step 2: Convert to fraction form
    11,316.35/15,618.44 = 6,600.63/x
  3. Step 3: Cross multiply
    11,316.35x = 15,618.44 × 6,600.63
  4. Step 4: Simplify right side
    11,316.35x = 103,091,471.57
  5. Step 5: Solve for x
    x = 103,091,471.57/11,316.35
  6. Step 6: Final answer
    x = 9,109.96

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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.