Home / 11,297.06-15,582.13-7,754.12

Finding the Fourth Proportional to 11,297.06, 15,582.13 and 7,754.12

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Solution

The fourth proportional to 11,297.06, 15,582.13 and 7,754.12 is: 10,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.06 : 15,582.13 = 7,754.12 : x
  2. Step 2: Convert to fraction form
    11,297.06/15,582.13 = 7,754.12/x
  3. Step 3: Cross multiply
    11,297.06x = 15,582.13 × 7,754.12
  4. Step 4: Simplify right side
    11,297.06x = 120,825,705.88
  5. Step 5: Solve for x
    x = 120,825,705.88/11,297.06
  6. Step 6: Final answer
    x = 10,695.32

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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.