Home / 10,442.14-15,654.96-5,173.48

Finding the Fourth Proportional to 10,442.14, 15,654.96 and 5,173.48

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Solution

The fourth proportional to 10,442.14, 15,654.96 and 5,173.48 is: 7,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.14 : 15,654.96 = 5,173.48 : x
  2. Step 2: Convert to fraction form
    10,442.14/15,654.96 = 5,173.48/x
  3. Step 3: Cross multiply
    10,442.14x = 15,654.96 × 5,173.48
  4. Step 4: Simplify right side
    10,442.14x = 80,990,622.46
  5. Step 5: Solve for x
    x = 80,990,622.46/10,442.14
  6. Step 6: Final answer
    x = 7,756.13

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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.