Home / 10,195.54-15,293.60-2,800.06

Finding the Fourth Proportional to 10,195.54, 15,293.60 and 2,800.06

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Solution

The fourth proportional to 10,195.54, 15,293.60 and 2,800.06 is: 4,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.54 : 15,293.60 = 2,800.06 : x
  2. Step 2: Convert to fraction form
    10,195.54/15,293.60 = 2,800.06/x
  3. Step 3: Cross multiply
    10,195.54x = 15,293.60 × 2,800.06
  4. Step 4: Simplify right side
    10,195.54x = 42,822,907.15
  5. Step 5: Solve for x
    x = 42,822,907.15/10,195.54
  6. Step 6: Final answer
    x = 4,200.16

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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.