Home / 7,911.36-11,863.40-4,625.46

Finding the Fourth Proportional to 7,911.36, 11,863.40 and 4,625.46

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Solution

The fourth proportional to 7,911.36, 11,863.40 and 4,625.46 is: 6,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.36 : 11,863.40 = 4,625.46 : x
  2. Step 2: Convert to fraction form
    7,911.36/11,863.40 = 4,625.46/x
  3. Step 3: Cross multiply
    7,911.36x = 11,863.40 × 4,625.46
  4. Step 4: Simplify right side
    7,911.36x = 54,873,659.04
  5. Step 5: Solve for x
    x = 54,873,659.04/7,911.36
  6. Step 6: Final answer
    x = 6,936.06

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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.