Home / 8,631.96-11,911.44-4,854.54

Finding the Fourth Proportional to 8,631.96, 11,911.44 and 4,854.54

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Solution

The fourth proportional to 8,631.96, 11,911.44 and 4,854.54 is: 6,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.96 : 11,911.44 = 4,854.54 : x
  2. Step 2: Convert to fraction form
    8,631.96/11,911.44 = 4,854.54/x
  3. Step 3: Cross multiply
    8,631.96x = 11,911.44 × 4,854.54
  4. Step 4: Simplify right side
    8,631.96x = 57,824,561.94
  5. Step 5: Solve for x
    x = 57,824,561.94/8,631.96
  6. Step 6: Final answer
    x = 6,698.89

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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.