Home / 12,417.20-18,625.96-3,652.32

Finding the Fourth Proportional to 12,417.20, 18,625.96 and 3,652.32

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Solution

The fourth proportional to 12,417.20, 18,625.96 and 3,652.32 is: 5,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.20 : 18,625.96 = 3,652.32 : x
  2. Step 2: Convert to fraction form
    12,417.20/18,625.96 = 3,652.32/x
  3. Step 3: Cross multiply
    12,417.20x = 18,625.96 × 3,652.32
  4. Step 4: Simplify right side
    12,417.20x = 68,027,966.23
  5. Step 5: Solve for x
    x = 68,027,966.23/12,417.20
  6. Step 6: Final answer
    x = 5,478.53

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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.