Home / 12,468.08-18,701.76-3,703.16

Finding the Fourth Proportional to 12,468.08, 18,701.76 and 3,703.16

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Solution

The fourth proportional to 12,468.08, 18,701.76 and 3,703.16 is: 5,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.08 : 18,701.76 = 3,703.16 : x
  2. Step 2: Convert to fraction form
    12,468.08/18,701.76 = 3,703.16/x
  3. Step 3: Cross multiply
    12,468.08x = 18,701.76 × 3,703.16
  4. Step 4: Simplify right side
    12,468.08x = 69,255,609.56
  5. Step 5: Solve for x
    x = 69,255,609.56/12,468.08
  6. Step 6: Final answer
    x = 5,554.63

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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.