Home / 12,176.45-18,250.82-5,152.08

Finding the Fourth Proportional to 12,176.45, 18,250.82 and 5,152.08

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Solution

The fourth proportional to 12,176.45, 18,250.82 and 5,152.08 is: 7,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.45 : 18,250.82 = 5,152.08 : x
  2. Step 2: Convert to fraction form
    12,176.45/18,250.82 = 5,152.08/x
  3. Step 3: Cross multiply
    12,176.45x = 18,250.82 × 5,152.08
  4. Step 4: Simplify right side
    12,176.45x = 94,029,658.95
  5. Step 5: Solve for x
    x = 94,029,658.95/12,176.45
  6. Step 6: Final answer
    x = 7,722.26

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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.