Home / 8,453.19-11,667.87-4,917.81

Finding the Fourth Proportional to 8,453.19, 11,667.87 and 4,917.81

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Solution

The fourth proportional to 8,453.19, 11,667.87 and 4,917.81 is: 6,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.19 : 11,667.87 = 4,917.81 : x
  2. Step 2: Convert to fraction form
    8,453.19/11,667.87 = 4,917.81/x
  3. Step 3: Cross multiply
    8,453.19x = 11,667.87 × 4,917.81
  4. Step 4: Simplify right side
    8,453.19x = 57,380,367.76
  5. Step 5: Solve for x
    x = 57,380,367.76/8,453.19
  6. Step 6: Final answer
    x = 6,788.01

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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.