Home / 8,117.48-11,217.35-6,124.48

Finding the Fourth Proportional to 8,117.48, 11,217.35 and 6,124.48

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Solution

The fourth proportional to 8,117.48, 11,217.35 and 6,124.48 is: 8,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.48 : 11,217.35 = 6,124.48 : x
  2. Step 2: Convert to fraction form
    8,117.48/11,217.35 = 6,124.48/x
  3. Step 3: Cross multiply
    8,117.48x = 11,217.35 × 6,124.48
  4. Step 4: Simplify right side
    8,117.48x = 68,700,435.73
  5. Step 5: Solve for x
    x = 68,700,435.73/8,117.48
  6. Step 6: Final answer
    x = 8,463.27

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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.