Home / 8,410.18-11,609.98-4,872.70

Finding the Fourth Proportional to 8,410.18, 11,609.98 and 4,872.70

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Solution

The fourth proportional to 8,410.18, 11,609.98 and 4,872.70 is: 6,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.18 : 11,609.98 = 4,872.70 : x
  2. Step 2: Convert to fraction form
    8,410.18/11,609.98 = 4,872.70/x
  3. Step 3: Cross multiply
    8,410.18x = 11,609.98 × 4,872.70
  4. Step 4: Simplify right side
    8,410.18x = 56,571,949.55
  5. Step 5: Solve for x
    x = 56,571,949.55/8,410.18
  6. Step 6: Final answer
    x = 6,726.60

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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.