Home / 7,543.18-11,316.03-3,160.97

Finding the Fourth Proportional to 7,543.18, 11,316.03 and 3,160.97

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Solution

The fourth proportional to 7,543.18, 11,316.03 and 3,160.97 is: 4,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.18 : 11,316.03 = 3,160.97 : x
  2. Step 2: Convert to fraction form
    7,543.18/11,316.03 = 3,160.97/x
  3. Step 3: Cross multiply
    7,543.18x = 11,316.03 × 3,160.97
  4. Step 4: Simplify right side
    7,543.18x = 35,769,558.96
  5. Step 5: Solve for x
    x = 35,769,558.96/7,543.18
  6. Step 6: Final answer
    x = 4,741.98

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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.