Home / 8,052.51-12,077.73-3,118.77

Finding the Fourth Proportional to 8,052.51, 12,077.73 and 3,118.77

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Solution

The fourth proportional to 8,052.51, 12,077.73 and 3,118.77 is: 4,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.51 : 12,077.73 = 3,118.77 : x
  2. Step 2: Convert to fraction form
    8,052.51/12,077.73 = 3,118.77/x
  3. Step 3: Cross multiply
    8,052.51x = 12,077.73 × 3,118.77
  4. Step 4: Simplify right side
    8,052.51x = 37,667,661.99
  5. Step 5: Solve for x
    x = 37,667,661.99/8,052.51
  6. Step 6: Final answer
    x = 4,677.75

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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.