Home / 10,041.39-15,061.68-4,778.96

Finding the Fourth Proportional to 10,041.39, 15,061.68 and 4,778.96

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Solution

The fourth proportional to 10,041.39, 15,061.68 and 4,778.96 is: 7,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.39 : 15,061.68 = 4,778.96 : x
  2. Step 2: Convert to fraction form
    10,041.39/15,061.68 = 4,778.96/x
  3. Step 3: Cross multiply
    10,041.39x = 15,061.68 × 4,778.96
  4. Step 4: Simplify right side
    10,041.39x = 71,979,090.94
  5. Step 5: Solve for x
    x = 71,979,090.94/10,041.39
  6. Step 6: Final answer
    x = 7,168.24

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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.