Home / 9,086.50-13,622.44-5,135.32

Finding the Fourth Proportional to 9,086.50, 13,622.44 and 5,135.32

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Solution

The fourth proportional to 9,086.50, 13,622.44 and 5,135.32 is: 7,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.50 : 13,622.44 = 5,135.32 : x
  2. Step 2: Convert to fraction form
    9,086.50/13,622.44 = 5,135.32/x
  3. Step 3: Cross multiply
    9,086.50x = 13,622.44 × 5,135.32
  4. Step 4: Simplify right side
    9,086.50x = 69,955,588.58
  5. Step 5: Solve for x
    x = 69,955,588.58/9,086.50
  6. Step 6: Final answer
    x = 7,698.85

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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.