Home / 7,750.64-11,604.66-5,412.98

Finding the Fourth Proportional to 7,750.64, 11,604.66 and 5,412.98

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Solution

The fourth proportional to 7,750.64, 11,604.66 and 5,412.98 is: 8,104.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.64 : 11,604.66 = 5,412.98 : x
  2. Step 2: Convert to fraction form
    7,750.64/11,604.66 = 5,412.98/x
  3. Step 3: Cross multiply
    7,750.64x = 11,604.66 × 5,412.98
  4. Step 4: Simplify right side
    7,750.64x = 62,815,792.49
  5. Step 5: Solve for x
    x = 62,815,792.49/7,750.64
  6. Step 6: Final answer
    x = 8,104.59

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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.