Home / 12,979.88-19,472.25-6,054.38

Finding the Fourth Proportional to 12,979.88, 19,472.25 and 6,054.38

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Solution

The fourth proportional to 12,979.88, 19,472.25 and 6,054.38 is: 9,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979.88 : 19,472.25 = 6,054.38 : x
  2. Step 2: Convert to fraction form
    12,979.88/19,472.25 = 6,054.38/x
  3. Step 3: Cross multiply
    12,979.88x = 19,472.25 × 6,054.38
  4. Step 4: Simplify right side
    12,979.88x = 117,892,303.59
  5. Step 5: Solve for x
    x = 117,892,303.59/12,979.88
  6. Step 6: Final answer
    x = 9,082.70

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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.