Home / 11,802.80-16,182.28-11,592.20

Finding the Fourth Proportional to 11,802.80, 16,182.28 and 11,592.20

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Solution

The fourth proportional to 11,802.80, 16,182.28 and 11,592.20 is: 15,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.80 : 16,182.28 = 11,592.20 : x
  2. Step 2: Convert to fraction form
    11,802.80/16,182.28 = 11,592.20/x
  3. Step 3: Cross multiply
    11,802.80x = 16,182.28 × 11,592.20
  4. Step 4: Simplify right side
    11,802.80x = 187,588,226.22
  5. Step 5: Solve for x
    x = 187,588,226.22/11,802.80
  6. Step 6: Final answer
    x = 15,893.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.