Home / 7,943.10-11,908.42-5,015.25

Finding the Fourth Proportional to 7,943.10, 11,908.42 and 5,015.25

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Solution

The fourth proportional to 7,943.10, 11,908.42 and 5,015.25 is: 7,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.10 : 11,908.42 = 5,015.25 : x
  2. Step 2: Convert to fraction form
    7,943.10/11,908.42 = 5,015.25/x
  3. Step 3: Cross multiply
    7,943.10x = 11,908.42 × 5,015.25
  4. Step 4: Simplify right side
    7,943.10x = 59,723,690.87
  5. Step 5: Solve for x
    x = 59,723,690.87/7,943.10
  6. Step 6: Final answer
    x = 7,518.94

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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.