Home / 7,829.28-11,740.23-4,543.29

Finding the Fourth Proportional to 7,829.28, 11,740.23 and 4,543.29

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Solution

The fourth proportional to 7,829.28, 11,740.23 and 4,543.29 is: 6,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.28 : 11,740.23 = 4,543.29 : x
  2. Step 2: Convert to fraction form
    7,829.28/11,740.23 = 4,543.29/x
  3. Step 3: Cross multiply
    7,829.28x = 11,740.23 × 4,543.29
  4. Step 4: Simplify right side
    7,829.28x = 53,339,269.56
  5. Step 5: Solve for x
    x = 53,339,269.56/7,829.28
  6. Step 6: Final answer
    x = 6,812.79

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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.