Home / 11,172.20-16,758.28-2,852.22

Finding the Fourth Proportional to 11,172.20, 16,758.28 and 2,852.22

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Solution

The fourth proportional to 11,172.20, 16,758.28 and 2,852.22 is: 4,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.20 : 16,758.28 = 2,852.22 : x
  2. Step 2: Convert to fraction form
    11,172.20/16,758.28 = 2,852.22/x
  3. Step 3: Cross multiply
    11,172.20x = 16,758.28 × 2,852.22
  4. Step 4: Simplify right side
    11,172.20x = 47,798,301.38
  5. Step 5: Solve for x
    x = 47,798,301.38/11,172.20
  6. Step 6: Final answer
    x = 4,278.32

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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.