Home / 11,200.20-16,784.10-4,955.10

Finding the Fourth Proportional to 11,200.20, 16,784.10 and 4,955.10

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Solution

The fourth proportional to 11,200.20, 16,784.10 and 4,955.10 is: 7,425.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.20 : 16,784.10 = 4,955.10 : x
  2. Step 2: Convert to fraction form
    11,200.20/16,784.10 = 4,955.10/x
  3. Step 3: Cross multiply
    11,200.20x = 16,784.10 × 4,955.10
  4. Step 4: Simplify right side
    11,200.20x = 83,166,893.91
  5. Step 5: Solve for x
    x = 83,166,893.91/11,200.20
  6. Step 6: Final answer
    x = 7,425.48

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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.