Home / 8,751.21-12,076.29-4,772.34

Finding the Fourth Proportional to 8,751.21, 12,076.29 and 4,772.34

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Solution

The fourth proportional to 8,751.21, 12,076.29 and 4,772.34 is: 6,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.21 : 12,076.29 = 4,772.34 : x
  2. Step 2: Convert to fraction form
    8,751.21/12,076.29 = 4,772.34/x
  3. Step 3: Cross multiply
    8,751.21x = 12,076.29 × 4,772.34
  4. Step 4: Simplify right side
    8,751.21x = 57,632,161.82
  5. Step 5: Solve for x
    x = 57,632,161.82/8,751.21
  6. Step 6: Final answer
    x = 6,585.62

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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.