Home / 12,443.02-18,664.53-3,677.25

Finding the Fourth Proportional to 12,443.02, 18,664.53 and 3,677.25

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Solution

The fourth proportional to 12,443.02, 18,664.53 and 3,677.25 is: 5,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443.02 : 18,664.53 = 3,677.25 : x
  2. Step 2: Convert to fraction form
    12,443.02/18,664.53 = 3,677.25/x
  3. Step 3: Cross multiply
    12,443.02x = 18,664.53 × 3,677.25
  4. Step 4: Simplify right side
    12,443.02x = 68,634,094.16
  5. Step 5: Solve for x
    x = 68,634,094.16/12,443.02
  6. Step 6: Final answer
    x = 5,515.87

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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.