Home / 10,130.17-15,196.77-3,555.20

Finding the Fourth Proportional to 10,130.17, 15,196.77 and 3,555.20

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Solution

The fourth proportional to 10,130.17, 15,196.77 and 3,555.20 is: 5,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.17 : 15,196.77 = 3,555.20 : x
  2. Step 2: Convert to fraction form
    10,130.17/15,196.77 = 3,555.20/x
  3. Step 3: Cross multiply
    10,130.17x = 15,196.77 × 3,555.20
  4. Step 4: Simplify right side
    10,130.17x = 54,027,556.70
  5. Step 5: Solve for x
    x = 54,027,556.70/10,130.17
  6. Step 6: Final answer
    x = 5,333.33

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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.