Home / 7,908.80-10,914.37-4,372.24

Finding the Fourth Proportional to 7,908.80, 10,914.37 and 4,372.24

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Solution

The fourth proportional to 7,908.80, 10,914.37 and 4,372.24 is: 6,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.80 : 10,914.37 = 4,372.24 : x
  2. Step 2: Convert to fraction form
    7,908.80/10,914.37 = 4,372.24/x
  3. Step 3: Cross multiply
    7,908.80x = 10,914.37 × 4,372.24
  4. Step 4: Simplify right side
    7,908.80x = 47,720,206.87
  5. Step 5: Solve for x
    x = 47,720,206.87/7,908.80
  6. Step 6: Final answer
    x = 6,033.82

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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.