Home / 12,334.40-18,511.32-4,548.68

Finding the Fourth Proportional to 12,334.40, 18,511.32 and 4,548.68

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Solution

The fourth proportional to 12,334.40, 18,511.32 and 4,548.68 is: 6,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.40 : 18,511.32 = 4,548.68 : x
  2. Step 2: Convert to fraction form
    12,334.40/18,511.32 = 4,548.68/x
  3. Step 3: Cross multiply
    12,334.40x = 18,511.32 × 4,548.68
  4. Step 4: Simplify right side
    12,334.40x = 84,202,071.06
  5. Step 5: Solve for x
    x = 84,202,071.06/12,334.40
  6. Step 6: Final answer
    x = 6,826.60

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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.