Home / 12,302.56-18,455.22-4,511.35

Finding the Fourth Proportional to 12,302.56, 18,455.22 and 4,511.35

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Solution

The fourth proportional to 12,302.56, 18,455.22 and 4,511.35 is: 6,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.56 : 18,455.22 = 4,511.35 : x
  2. Step 2: Convert to fraction form
    12,302.56/18,455.22 = 4,511.35/x
  3. Step 3: Cross multiply
    12,302.56x = 18,455.22 × 4,511.35
  4. Step 4: Simplify right side
    12,302.56x = 83,257,956.75
  5. Step 5: Solve for x
    x = 83,257,956.75/12,302.56
  6. Step 6: Final answer
    x = 6,767.53

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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.