Home / 8,794.64-12,131.55-5,435.07

Finding the Fourth Proportional to 8,794.64, 12,131.55 and 5,435.07

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Solution

The fourth proportional to 8,794.64, 12,131.55 and 5,435.07 is: 7,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.64 : 12,131.55 = 5,435.07 : x
  2. Step 2: Convert to fraction form
    8,794.64/12,131.55 = 5,435.07/x
  3. Step 3: Cross multiply
    8,794.64x = 12,131.55 × 5,435.07
  4. Step 4: Simplify right side
    8,794.64x = 65,935,777.97
  5. Step 5: Solve for x
    x = 65,935,777.97/8,794.64
  6. Step 6: Final answer
    x = 7,497.27

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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.