Home / 11,474.48-17,192.92-7,079.40

Finding the Fourth Proportional to 11,474.48, 17,192.92 and 7,079.40

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Solution

The fourth proportional to 11,474.48, 17,192.92 and 7,079.40 is: 10,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.48 : 17,192.92 = 7,079.40 : x
  2. Step 2: Convert to fraction form
    11,474.48/17,192.92 = 7,079.40/x
  3. Step 3: Cross multiply
    11,474.48x = 17,192.92 × 7,079.40
  4. Step 4: Simplify right side
    11,474.48x = 121,715,557.85
  5. Step 5: Solve for x
    x = 121,715,557.85/11,474.48
  6. Step 6: Final answer
    x = 10,607.50

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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.