Home / 11,555.28-17,333.04-4,159.44

Finding the Fourth Proportional to 11,555.28, 17,333.04 and 4,159.44

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Solution

The fourth proportional to 11,555.28, 17,333.04 and 4,159.44 is: 6,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.28 : 17,333.04 = 4,159.44 : x
  2. Step 2: Convert to fraction form
    11,555.28/17,333.04 = 4,159.44/x
  3. Step 3: Cross multiply
    11,555.28x = 17,333.04 × 4,159.44
  4. Step 4: Simplify right side
    11,555.28x = 72,095,739.90
  5. Step 5: Solve for x
    x = 72,095,739.90/11,555.28
  6. Step 6: Final answer
    x = 6,239.20

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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.