Home / 10,370.69-15,556.03-3,445.19

Finding the Fourth Proportional to 10,370.69, 15,556.03 and 3,445.19

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Solution

The fourth proportional to 10,370.69, 15,556.03 and 3,445.19 is: 5,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.69 : 15,556.03 = 3,445.19 : x
  2. Step 2: Convert to fraction form
    10,370.69/15,556.03 = 3,445.19/x
  3. Step 3: Cross multiply
    10,370.69x = 15,556.03 × 3,445.19
  4. Step 4: Simplify right side
    10,370.69x = 53,593,479.00
  5. Step 5: Solve for x
    x = 53,593,479.00/10,370.69
  6. Step 6: Final answer
    x = 5,167.78

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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.