Home / 12,176.36-18,264.12-5,154.44

Finding the Fourth Proportional to 12,176.36, 18,264.12 and 5,154.44

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Solution

The fourth proportional to 12,176.36, 18,264.12 and 5,154.44 is: 7,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.36 : 18,264.12 = 5,154.44 : x
  2. Step 2: Convert to fraction form
    12,176.36/18,264.12 = 5,154.44/x
  3. Step 3: Cross multiply
    12,176.36x = 18,264.12 × 5,154.44
  4. Step 4: Simplify right side
    12,176.36x = 94,141,310.69
  5. Step 5: Solve for x
    x = 94,141,310.69/12,176.36
  6. Step 6: Final answer
    x = 7,731.48

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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.