Home / 10,998.56-15,166.44-8,316.08

Finding the Fourth Proportional to 10,998.56, 15,166.44 and 8,316.08

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Solution

The fourth proportional to 10,998.56, 15,166.44 and 8,316.08 is: 11,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.56 : 15,166.44 = 8,316.08 : x
  2. Step 2: Convert to fraction form
    10,998.56/15,166.44 = 8,316.08/x
  3. Step 3: Cross multiply
    10,998.56x = 15,166.44 × 8,316.08
  4. Step 4: Simplify right side
    10,998.56x = 126,125,328.36
  5. Step 5: Solve for x
    x = 126,125,328.36/10,998.56
  6. Step 6: Final answer
    x = 11,467.44

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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.