Home / 11,528.32-17,293.76-3,320.32

Finding the Fourth Proportional to 11,528.32, 17,293.76 and 3,320.32

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Solution

The fourth proportional to 11,528.32, 17,293.76 and 3,320.32 is: 4,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.32 : 17,293.76 = 3,320.32 : x
  2. Step 2: Convert to fraction form
    11,528.32/17,293.76 = 3,320.32/x
  3. Step 3: Cross multiply
    11,528.32x = 17,293.76 × 3,320.32
  4. Step 4: Simplify right side
    11,528.32x = 57,420,817.20
  5. Step 5: Solve for x
    x = 57,420,817.20/11,528.32
  6. Step 6: Final answer
    x = 4,980.85

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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.