Home / 10,772.34-16,160.56-5,228.30

Finding the Fourth Proportional to 10,772.34, 16,160.56 and 5,228.30

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Solution

The fourth proportional to 10,772.34, 16,160.56 and 5,228.30 is: 7,843.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.34 : 16,160.56 = 5,228.30 : x
  2. Step 2: Convert to fraction form
    10,772.34/16,160.56 = 5,228.30/x
  3. Step 3: Cross multiply
    10,772.34x = 16,160.56 × 5,228.30
  4. Step 4: Simplify right side
    10,772.34x = 84,492,221.68
  5. Step 5: Solve for x
    x = 84,492,221.68/10,772.34
  6. Step 6: Final answer
    x = 7,843.44

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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.