Home / 10,131.24-15,196.77-3,555.89

Finding the Fourth Proportional to 10,131.24, 15,196.77 and 3,555.89

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Solution

The fourth proportional to 10,131.24, 15,196.77 and 3,555.89 is: 5,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.24 : 15,196.77 = 3,555.89 : x
  2. Step 2: Convert to fraction form
    10,131.24/15,196.77 = 3,555.89/x
  3. Step 3: Cross multiply
    10,131.24x = 15,196.77 × 3,555.89
  4. Step 4: Simplify right side
    10,131.24x = 54,038,042.48
  5. Step 5: Solve for x
    x = 54,038,042.48/10,131.24
  6. Step 6: Final answer
    x = 5,333.80

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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.