Home / 12,587.02-18,880.46-3,227.02

Finding the Fourth Proportional to 12,587.02, 18,880.46 and 3,227.02

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Solution

The fourth proportional to 12,587.02, 18,880.46 and 3,227.02 is: 4,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.02 : 18,880.46 = 3,227.02 : x
  2. Step 2: Convert to fraction form
    12,587.02/18,880.46 = 3,227.02/x
  3. Step 3: Cross multiply
    12,587.02x = 18,880.46 × 3,227.02
  4. Step 4: Simplify right side
    12,587.02x = 60,927,622.03
  5. Step 5: Solve for x
    x = 60,927,622.03/12,587.02
  6. Step 6: Final answer
    x = 4,840.51

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Double scale
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Similar ratio
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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.