Home / 13,049.36-19,579.28-5,258.80

Finding the Fourth Proportional to 13,049.36, 19,579.28 and 5,258.80

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Solution

The fourth proportional to 13,049.36, 19,579.28 and 5,258.80 is: 7,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.36 : 19,579.28 = 5,258.80 : x
  2. Step 2: Convert to fraction form
    13,049.36/19,579.28 = 5,258.80/x
  3. Step 3: Cross multiply
    13,049.36x = 19,579.28 × 5,258.80
  4. Step 4: Simplify right side
    13,049.36x = 102,963,517.66
  5. Step 5: Solve for x
    x = 102,963,517.66/13,049.36
  6. Step 6: Final answer
    x = 7,890.31

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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.