Home / 11,012.16-15,209.41-7,252.14

Finding the Fourth Proportional to 11,012.16, 15,209.41 and 7,252.14

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Solution

The fourth proportional to 11,012.16, 15,209.41 and 7,252.14 is: 10,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.16 : 15,209.41 = 7,252.14 : x
  2. Step 2: Convert to fraction form
    11,012.16/15,209.41 = 7,252.14/x
  3. Step 3: Cross multiply
    11,012.16x = 15,209.41 × 7,252.14
  4. Step 4: Simplify right side
    11,012.16x = 110,300,770.64
  5. Step 5: Solve for x
    x = 110,300,770.64/11,012.16
  6. Step 6: Final answer
    x = 10,016.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.