Home / 10,697.87-14,761.80-6,220.91

Finding the Fourth Proportional to 10,697.87, 14,761.80 and 6,220.91

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Solution

The fourth proportional to 10,697.87, 14,761.80 and 6,220.91 is: 8,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.87 : 14,761.80 = 6,220.91 : x
  2. Step 2: Convert to fraction form
    10,697.87/14,761.80 = 6,220.91/x
  3. Step 3: Cross multiply
    10,697.87x = 14,761.80 × 6,220.91
  4. Step 4: Simplify right side
    10,697.87x = 91,831,755.43
  5. Step 5: Solve for x
    x = 91,831,755.43/10,697.87
  6. Step 6: Final answer
    x = 8,584.12

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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.