Home / 8,761.75-12,076.81-6,210.36

Finding the Fourth Proportional to 8,761.75, 12,076.81 and 6,210.36

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Solution

The fourth proportional to 8,761.75, 12,076.81 and 6,210.36 is: 8,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.75 : 12,076.81 = 6,210.36 : x
  2. Step 2: Convert to fraction form
    8,761.75/12,076.81 = 6,210.36/x
  3. Step 3: Cross multiply
    8,761.75x = 12,076.81 × 6,210.36
  4. Step 4: Simplify right side
    8,761.75x = 75,001,322.23
  5. Step 5: Solve for x
    x = 75,001,322.23/8,761.75
  6. Step 6: Final answer
    x = 8,560.09

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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.