Home / 8,741.91-12,063.90-4,965.09

Finding the Fourth Proportional to 8,741.91, 12,063.90 and 4,965.09

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Solution

The fourth proportional to 8,741.91, 12,063.90 and 4,965.09 is: 6,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.91 : 12,063.90 = 4,965.09 : x
  2. Step 2: Convert to fraction form
    8,741.91/12,063.90 = 4,965.09/x
  3. Step 3: Cross multiply
    8,741.91x = 12,063.90 × 4,965.09
  4. Step 4: Simplify right side
    8,741.91x = 59,898,349.25
  5. Step 5: Solve for x
    x = 59,898,349.25/8,741.91
  6. Step 6: Final answer
    x = 6,851.86

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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.