Home / 8,731.90-12,050.34-4,752.82

Finding the Fourth Proportional to 8,731.90, 12,050.34 and 4,752.82

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Solution

The fourth proportional to 8,731.90, 12,050.34 and 4,752.82 is: 6,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.90 : 12,050.34 = 4,752.82 : x
  2. Step 2: Convert to fraction form
    8,731.90/12,050.34 = 4,752.82/x
  3. Step 3: Cross multiply
    8,731.90x = 12,050.34 × 4,752.82
  4. Step 4: Simplify right side
    8,731.90x = 57,273,096.96
  5. Step 5: Solve for x
    x = 57,273,096.96/8,731.90
  6. Step 6: Final answer
    x = 6,559.06

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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.