Home / 11,210.22-15,462.14-7,377.21

Finding the Fourth Proportional to 11,210.22, 15,462.14 and 7,377.21

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Solution

The fourth proportional to 11,210.22, 15,462.14 and 7,377.21 is: 10,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.22 : 15,462.14 = 7,377.21 : x
  2. Step 2: Convert to fraction form
    11,210.22/15,462.14 = 7,377.21/x
  3. Step 3: Cross multiply
    11,210.22x = 15,462.14 × 7,377.21
  4. Step 4: Simplify right side
    11,210.22x = 114,067,416.94
  5. Step 5: Solve for x
    x = 114,067,416.94/11,210.22
  6. Step 6: Final answer
    x = 10,175.31

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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.