Home / 11,824.18-17,730.55-4,222.88

Finding the Fourth Proportional to 11,824.18, 17,730.55 and 4,222.88

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Solution

The fourth proportional to 11,824.18, 17,730.55 and 4,222.88 is: 6,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.18 : 17,730.55 = 4,222.88 : x
  2. Step 2: Convert to fraction form
    11,824.18/17,730.55 = 4,222.88/x
  3. Step 3: Cross multiply
    11,824.18x = 17,730.55 × 4,222.88
  4. Step 4: Simplify right side
    11,824.18x = 74,874,044.08
  5. Step 5: Solve for x
    x = 74,874,044.08/11,824.18
  6. Step 6: Final answer
    x = 6,332.28

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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.