Home / 8,518.50-11,755.53-4,984.74

Finding the Fourth Proportional to 8,518.50, 11,755.53 and 4,984.74

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Solution

The fourth proportional to 8,518.50, 11,755.53 and 4,984.74 is: 6,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.50 : 11,755.53 = 4,984.74 : x
  2. Step 2: Convert to fraction form
    8,518.50/11,755.53 = 4,984.74/x
  3. Step 3: Cross multiply
    8,518.50x = 11,755.53 × 4,984.74
  4. Step 4: Simplify right side
    8,518.50x = 58,598,260.61
  5. Step 5: Solve for x
    x = 58,598,260.61/8,518.50
  6. Step 6: Final answer
    x = 6,878.94

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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.