Home / 11,865.80-17,798.68-4,849.11

Finding the Fourth Proportional to 11,865.80, 17,798.68 and 4,849.11

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Solution

The fourth proportional to 11,865.80, 17,798.68 and 4,849.11 is: 7,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.80 : 17,798.68 = 4,849.11 : x
  2. Step 2: Convert to fraction form
    11,865.80/17,798.68 = 4,849.11/x
  3. Step 3: Cross multiply
    11,865.80x = 17,798.68 × 4,849.11
  4. Step 4: Simplify right side
    11,865.80x = 86,307,763.24
  5. Step 5: Solve for x
    x = 86,307,763.24/11,865.80
  6. Step 6: Final answer
    x = 7,273.66

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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.