Home / 10,997.04-15,182.94-7,226.90

Finding the Fourth Proportional to 10,997.04, 15,182.94 and 7,226.90

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Solution

The fourth proportional to 10,997.04, 15,182.94 and 7,226.90 is: 9,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.04 : 15,182.94 = 7,226.90 : x
  2. Step 2: Convert to fraction form
    10,997.04/15,182.94 = 7,226.90/x
  3. Step 3: Cross multiply
    10,997.04x = 15,182.94 × 7,226.90
  4. Step 4: Simplify right side
    10,997.04x = 109,725,477.04
  5. Step 5: Solve for x
    x = 109,725,477.04/10,997.04
  6. Step 6: Final answer
    x = 9,977.73

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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.