Home / 12,371.02-18,558.35-4,474.12

Finding the Fourth Proportional to 12,371.02, 18,558.35 and 4,474.12

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Solution

The fourth proportional to 12,371.02, 18,558.35 and 4,474.12 is: 6,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.02 : 18,558.35 = 4,474.12 : x
  2. Step 2: Convert to fraction form
    12,371.02/18,558.35 = 4,474.12/x
  3. Step 3: Cross multiply
    12,371.02x = 18,558.35 × 4,474.12
  4. Step 4: Simplify right side
    12,371.02x = 83,032,284.90
  5. Step 5: Solve for x
    x = 83,032,284.90/12,371.02
  6. Step 6: Final answer
    x = 6,711.84

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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.