Home / 8,124.58-11,217.13-6,636.07

Finding the Fourth Proportional to 8,124.58, 11,217.13 and 6,636.07

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Solution

The fourth proportional to 8,124.58, 11,217.13 and 6,636.07 is: 9,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.58 : 11,217.13 = 6,636.07 : x
  2. Step 2: Convert to fraction form
    8,124.58/11,217.13 = 6,636.07/x
  3. Step 3: Cross multiply
    8,124.58x = 11,217.13 × 6,636.07
  4. Step 4: Simplify right side
    8,124.58x = 74,437,694.64
  5. Step 5: Solve for x
    x = 74,437,694.64/8,124.58
  6. Step 6: Final answer
    x = 9,162.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.