Home / 7,908.12-10,912.48-4,550.04

Finding the Fourth Proportional to 7,908.12, 10,912.48 and 4,550.04

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Solution

The fourth proportional to 7,908.12, 10,912.48 and 4,550.04 is: 6,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.12 : 10,912.48 = 4,550.04 : x
  2. Step 2: Convert to fraction form
    7,908.12/10,912.48 = 4,550.04/x
  3. Step 3: Cross multiply
    7,908.12x = 10,912.48 × 4,550.04
  4. Step 4: Simplify right side
    7,908.12x = 49,652,220.50
  5. Step 5: Solve for x
    x = 49,652,220.50/7,908.12
  6. Step 6: Final answer
    x = 6,278.64

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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.