Home / 10,117.12-15,177.36-3,193.12

Finding the Fourth Proportional to 10,117.12, 15,177.36 and 3,193.12

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Solution

The fourth proportional to 10,117.12, 15,177.36 and 3,193.12 is: 4,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.12 : 15,177.36 = 3,193.12 : x
  2. Step 2: Convert to fraction form
    10,117.12/15,177.36 = 3,193.12/x
  3. Step 3: Cross multiply
    10,117.12x = 15,177.36 × 3,193.12
  4. Step 4: Simplify right side
    10,117.12x = 48,463,131.76
  5. Step 5: Solve for x
    x = 48,463,131.76/10,117.12
  6. Step 6: Final answer
    x = 4,790.21

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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.