Home / 10,801.13-16,163.20-7,470.06

Finding the Fourth Proportional to 10,801.13, 16,163.20 and 7,470.06

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Solution

The fourth proportional to 10,801.13, 16,163.20 and 7,470.06 is: 11,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.13 : 16,163.20 = 7,470.06 : x
  2. Step 2: Convert to fraction form
    10,801.13/16,163.20 = 7,470.06/x
  3. Step 3: Cross multiply
    10,801.13x = 16,163.20 × 7,470.06
  4. Step 4: Simplify right side
    10,801.13x = 120,739,992.98
  5. Step 5: Solve for x
    x = 120,739,992.98/10,801.13
  6. Step 6: Final answer
    x = 11,178.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.