Home / 11,764.10-16,234.59-6,458.80

Finding the Fourth Proportional to 11,764.10, 16,234.59 and 6,458.80

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Solution

The fourth proportional to 11,764.10, 16,234.59 and 6,458.80 is: 8,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.10 : 16,234.59 = 6,458.80 : x
  2. Step 2: Convert to fraction form
    11,764.10/16,234.59 = 6,458.80/x
  3. Step 3: Cross multiply
    11,764.10x = 16,234.59 × 6,458.80
  4. Step 4: Simplify right side
    11,764.10x = 104,855,969.89
  5. Step 5: Solve for x
    x = 104,855,969.89/11,764.10
  6. Step 6: Final answer
    x = 8,913.22

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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.