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Finding the Fourth Proportional to 8,124.10, 11,062.60 and 8,124.10

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Solution

The fourth proportional to 8,124.10, 11,062.60 and 8,124.10 is: 11,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.10 : 11,062.60 = 8,124.10 : x
  2. Step 2: Convert to fraction form
    8,124.10/11,062.60 = 8,124.10/x
  3. Step 3: Cross multiply
    8,124.10x = 11,062.60 × 8,124.10
  4. Step 4: Simplify right side
    8,124.10x = 89,873,668.66
  5. Step 5: Solve for x
    x = 89,873,668.66/8,124.10
  6. Step 6: Final answer
    x = 11,062.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.