Home / 8,448.12-11,655.55-4,908.42

Finding the Fourth Proportional to 8,448.12, 11,655.55 and 4,908.42

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Solution

The fourth proportional to 8,448.12, 11,655.55 and 4,908.42 is: 6,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.12 : 11,655.55 = 4,908.42 : x
  2. Step 2: Convert to fraction form
    8,448.12/11,655.55 = 4,908.42/x
  3. Step 3: Cross multiply
    8,448.12x = 11,655.55 × 4,908.42
  4. Step 4: Simplify right side
    8,448.12x = 57,210,334.73
  5. Step 5: Solve for x
    x = 57,210,334.73/8,448.12
  6. Step 6: Final answer
    x = 6,771.96

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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.