Home / 10,853.16-16,281.79-7,351.22

Finding the Fourth Proportional to 10,853.16, 16,281.79 and 7,351.22

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Solution

The fourth proportional to 10,853.16, 16,281.79 and 7,351.22 is: 11,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.16 : 16,281.79 = 7,351.22 : x
  2. Step 2: Convert to fraction form
    10,853.16/16,281.79 = 7,351.22/x
  3. Step 3: Cross multiply
    10,853.16x = 16,281.79 × 7,351.22
  4. Step 4: Simplify right side
    10,853.16x = 119,691,020.28
  5. Step 5: Solve for x
    x = 119,691,020.28/10,853.16
  6. Step 6: Final answer
    x = 11,028.22

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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.