Home / 11,213.52-16,820.28-4,632.47

Finding the Fourth Proportional to 11,213.52, 16,820.28 and 4,632.47

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Solution

The fourth proportional to 11,213.52, 16,820.28 and 4,632.47 is: 6,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.52 : 16,820.28 = 4,632.47 : x
  2. Step 2: Convert to fraction form
    11,213.52/16,820.28 = 4,632.47/x
  3. Step 3: Cross multiply
    11,213.52x = 16,820.28 × 4,632.47
  4. Step 4: Simplify right side
    11,213.52x = 77,919,442.49
  5. Step 5: Solve for x
    x = 77,919,442.49/11,213.52
  6. Step 6: Final answer
    x = 6,948.71

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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.