Home / 10,193.83-15,290.76-2,798.38

Finding the Fourth Proportional to 10,193.83, 15,290.76 and 2,798.38

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Solution

The fourth proportional to 10,193.83, 15,290.76 and 2,798.38 is: 4,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.83 : 15,290.76 = 2,798.38 : x
  2. Step 2: Convert to fraction form
    10,193.83/15,290.76 = 2,798.38/x
  3. Step 3: Cross multiply
    10,193.83x = 15,290.76 × 2,798.38
  4. Step 4: Simplify right side
    10,193.83x = 42,789,356.97
  5. Step 5: Solve for x
    x = 42,789,356.97/10,193.83
  6. Step 6: Final answer
    x = 4,197.57

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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.