Home / 11,087.28-16,619.88-6,159.12

Finding the Fourth Proportional to 11,087.28, 16,619.88 and 6,159.12

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Solution

The fourth proportional to 11,087.28, 16,619.88 and 6,159.12 is: 9,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.28 : 16,619.88 = 6,159.12 : x
  2. Step 2: Convert to fraction form
    11,087.28/16,619.88 = 6,159.12/x
  3. Step 3: Cross multiply
    11,087.28x = 16,619.88 × 6,159.12
  4. Step 4: Simplify right side
    11,087.28x = 102,363,835.31
  5. Step 5: Solve for x
    x = 102,363,835.31/11,087.28
  6. Step 6: Final answer
    x = 9,232.55

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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.