Home / 8,495.50-11,723.38-4,718.90

Finding the Fourth Proportional to 8,495.50, 11,723.38 and 4,718.90

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Solution

The fourth proportional to 8,495.50, 11,723.38 and 4,718.90 is: 6,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.50 : 11,723.38 = 4,718.90 : x
  2. Step 2: Convert to fraction form
    8,495.50/11,723.38 = 4,718.90/x
  3. Step 3: Cross multiply
    8,495.50x = 11,723.38 × 4,718.90
  4. Step 4: Simplify right side
    8,495.50x = 55,321,457.88
  5. Step 5: Solve for x
    x = 55,321,457.88/8,495.50
  6. Step 6: Final answer
    x = 6,511.85

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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.