Home / 6,115.96-9,132.37-5,769.45

Finding the Fourth Proportional to 6,115.96, 9,132.37 and 5,769.45

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Solution

The fourth proportional to 6,115.96, 9,132.37 and 5,769.45 is: 8,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.96 : 9,132.37 = 5,769.45 : x
  2. Step 2: Convert to fraction form
    6,115.96/9,132.37 = 5,769.45/x
  3. Step 3: Cross multiply
    6,115.96x = 9,132.37 × 5,769.45
  4. Step 4: Simplify right side
    6,115.96x = 52,688,779.58
  5. Step 5: Solve for x
    x = 52,688,779.58/6,115.96
  6. Step 6: Final answer
    x = 8,614.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.