Home / 11,014.22-15,212.24-7,254.20

Finding the Fourth Proportional to 11,014.22, 15,212.24 and 7,254.20

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Solution

The fourth proportional to 11,014.22, 15,212.24 and 7,254.20 is: 10,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,014.22 : 15,212.24 = 7,254.20 : x
  2. Step 2: Convert to fraction form
    11,014.22/15,212.24 = 7,254.20/x
  3. Step 3: Cross multiply
    11,014.22x = 15,212.24 × 7,254.20
  4. Step 4: Simplify right side
    11,014.22x = 110,352,519.08
  5. Step 5: Solve for x
    x = 110,352,519.08/11,014.22
  6. Step 6: Final answer
    x = 10,019.10

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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.