Home / 12,414.08-17,130.24-6,824.96

Finding the Fourth Proportional to 12,414.08, 17,130.24 and 6,824.96

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Solution

The fourth proportional to 12,414.08, 17,130.24 and 6,824.96 is: 9,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.08 : 17,130.24 = 6,824.96 : x
  2. Step 2: Convert to fraction form
    12,414.08/17,130.24 = 6,824.96/x
  3. Step 3: Cross multiply
    12,414.08x = 17,130.24 × 6,824.96
  4. Step 4: Simplify right side
    12,414.08x = 116,913,202.79
  5. Step 5: Solve for x
    x = 116,913,202.79/12,414.08
  6. Step 6: Final answer
    x = 9,417.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.