Home / 12,136.16-18,170.35-6,200.28

Finding the Fourth Proportional to 12,136.16, 18,170.35 and 6,200.28

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Solution

The fourth proportional to 12,136.16, 18,170.35 and 6,200.28 is: 9,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.16 : 18,170.35 = 6,200.28 : x
  2. Step 2: Convert to fraction form
    12,136.16/18,170.35 = 6,200.28/x
  3. Step 3: Cross multiply
    12,136.16x = 18,170.35 × 6,200.28
  4. Step 4: Simplify right side
    12,136.16x = 112,661,242.20
  5. Step 5: Solve for x
    x = 112,661,242.20/12,136.16
  6. Step 6: Final answer
    x = 9,283.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.