Home / 10,195.61-15,293.39-2,800.08

Finding the Fourth Proportional to 10,195.61, 15,293.39 and 2,800.08

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Solution

The fourth proportional to 10,195.61, 15,293.39 and 2,800.08 is: 4,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.61 : 15,293.39 = 2,800.08 : x
  2. Step 2: Convert to fraction form
    10,195.61/15,293.39 = 2,800.08/x
  3. Step 3: Cross multiply
    10,195.61x = 15,293.39 × 2,800.08
  4. Step 4: Simplify right side
    10,195.61x = 42,822,660.68
  5. Step 5: Solve for x
    x = 42,822,660.68/10,195.61
  6. Step 6: Final answer
    x = 4,200.11

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1.5x scale

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.