Home / 8,398.35-11,588.97-4,861.80

Finding the Fourth Proportional to 8,398.35, 11,588.97 and 4,861.80

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Solution

The fourth proportional to 8,398.35, 11,588.97 and 4,861.80 is: 6,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.35 : 11,588.97 = 4,861.80 : x
  2. Step 2: Convert to fraction form
    8,398.35/11,588.97 = 4,861.80/x
  3. Step 3: Cross multiply
    8,398.35x = 11,588.97 × 4,861.80
  4. Step 4: Simplify right side
    8,398.35x = 56,343,254.35
  5. Step 5: Solve for x
    x = 56,343,254.35/8,398.35
  6. Step 6: Final answer
    x = 6,708.85

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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.