Home / 10,247.64-14,136.62-6,261.80

Finding the Fourth Proportional to 10,247.64, 14,136.62 and 6,261.80

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Solution

The fourth proportional to 10,247.64, 14,136.62 and 6,261.80 is: 8,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.64 : 14,136.62 = 6,261.80 : x
  2. Step 2: Convert to fraction form
    10,247.64/14,136.62 = 6,261.80/x
  3. Step 3: Cross multiply
    10,247.64x = 14,136.62 × 6,261.80
  4. Step 4: Simplify right side
    10,247.64x = 88,520,687.12
  5. Step 5: Solve for x
    x = 88,520,687.12/10,247.64
  6. Step 6: Final answer
    x = 8,638.15

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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.