Home / 10,338.92-15,514.76-4,791.23

Finding the Fourth Proportional to 10,338.92, 15,514.76 and 4,791.23

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Solution

The fourth proportional to 10,338.92, 15,514.76 and 4,791.23 is: 7,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.92 : 15,514.76 = 4,791.23 : x
  2. Step 2: Convert to fraction form
    10,338.92/15,514.76 = 4,791.23/x
  3. Step 3: Cross multiply
    10,338.92x = 15,514.76 × 4,791.23
  4. Step 4: Simplify right side
    10,338.92x = 74,334,749.19
  5. Step 5: Solve for x
    x = 74,334,749.19/10,338.92
  6. Step 6: Final answer
    x = 7,189.80

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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.