Home / 9,469.66-13,068.44-5,220.90

Finding the Fourth Proportional to 9,469.66, 13,068.44 and 5,220.90

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Solution

The fourth proportional to 9,469.66, 13,068.44 and 5,220.90 is: 7,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.66 : 13,068.44 = 5,220.90 : x
  2. Step 2: Convert to fraction form
    9,469.66/13,068.44 = 5,220.90/x
  3. Step 3: Cross multiply
    9,469.66x = 13,068.44 × 5,220.90
  4. Step 4: Simplify right side
    9,469.66x = 68,229,018.40
  5. Step 5: Solve for x
    x = 68,229,018.40/9,469.66
  6. Step 6: Final answer
    x = 7,205.01

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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.