Home / 11,337.06-16,981.59-7,174.98

Finding the Fourth Proportional to 11,337.06, 16,981.59 and 7,174.98

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Solution

The fourth proportional to 11,337.06, 16,981.59 and 7,174.98 is: 10,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.06 : 16,981.59 = 7,174.98 : x
  2. Step 2: Convert to fraction form
    11,337.06/16,981.59 = 7,174.98/x
  3. Step 3: Cross multiply
    11,337.06x = 16,981.59 × 7,174.98
  4. Step 4: Simplify right side
    11,337.06x = 121,842,568.62
  5. Step 5: Solve for x
    x = 121,842,568.62/11,337.06
  6. Step 6: Final answer
    x = 10,747.28

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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.