Home / 11,572.30-17,358.54-2,807.22

Finding the Fourth Proportional to 11,572.30, 17,358.54 and 2,807.22

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Solution

The fourth proportional to 11,572.30, 17,358.54 and 2,807.22 is: 4,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.30 : 17,358.54 = 2,807.22 : x
  2. Step 2: Convert to fraction form
    11,572.30/17,358.54 = 2,807.22/x
  3. Step 3: Cross multiply
    11,572.30x = 17,358.54 × 2,807.22
  4. Step 4: Simplify right side
    11,572.30x = 48,729,240.66
  5. Step 5: Solve for x
    x = 48,729,240.66/11,572.30
  6. Step 6: Final answer
    x = 4,210.85

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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.