Home / 10,177.17-15,264.58-2,782.22

Finding the Fourth Proportional to 10,177.17, 15,264.58 and 2,782.22

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Solution

The fourth proportional to 10,177.17, 15,264.58 and 2,782.22 is: 4,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.17 : 15,264.58 = 2,782.22 : x
  2. Step 2: Convert to fraction form
    10,177.17/15,264.58 = 2,782.22/x
  3. Step 3: Cross multiply
    10,177.17x = 15,264.58 × 2,782.22
  4. Step 4: Simplify right side
    10,177.17x = 42,469,462.68
  5. Step 5: Solve for x
    x = 42,469,462.68/10,177.17
  6. Step 6: Final answer
    x = 4,173.01

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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.