Home / 9,331.50-12,878.91-5,794.86

Finding the Fourth Proportional to 9,331.50, 12,878.91 and 5,794.86

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Solution

The fourth proportional to 9,331.50, 12,878.91 and 5,794.86 is: 7,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.50 : 12,878.91 = 5,794.86 : x
  2. Step 2: Convert to fraction form
    9,331.50/12,878.91 = 5,794.86/x
  3. Step 3: Cross multiply
    9,331.50x = 12,878.91 × 5,794.86
  4. Step 4: Simplify right side
    9,331.50x = 74,631,480.40
  5. Step 5: Solve for x
    x = 74,631,480.40/9,331.50
  6. Step 6: Final answer
    x = 7,997.80

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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.