Home / 12,104.12-18,152.58-4,709.72

Finding the Fourth Proportional to 12,104.12, 18,152.58 and 4,709.72

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Solution

The fourth proportional to 12,104.12, 18,152.58 and 4,709.72 is: 7,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.12 : 18,152.58 = 4,709.72 : x
  2. Step 2: Convert to fraction form
    12,104.12/18,152.58 = 4,709.72/x
  3. Step 3: Cross multiply
    12,104.12x = 18,152.58 × 4,709.72
  4. Step 4: Simplify right side
    12,104.12x = 85,493,569.08
  5. Step 5: Solve for x
    x = 85,493,569.08/12,104.12
  6. Step 6: Final answer
    x = 7,063.18

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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.