Home / 8,524.16-11,766.24-6,428.48

Finding the Fourth Proportional to 8,524.16, 11,766.24 and 6,428.48

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Solution

The fourth proportional to 8,524.16, 11,766.24 and 6,428.48 is: 8,873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.16 : 11,766.24 = 6,428.48 : x
  2. Step 2: Convert to fraction form
    8,524.16/11,766.24 = 6,428.48/x
  3. Step 3: Cross multiply
    8,524.16x = 11,766.24 × 6,428.48
  4. Step 4: Simplify right side
    8,524.16x = 75,639,038.52
  5. Step 5: Solve for x
    x = 75,639,038.52/8,524.16
  6. Step 6: Final answer
    x = 8,873.49

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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.