Home / 8,095.90-11,172.72-4,909.30

Finding the Fourth Proportional to 8,095.90, 11,172.72 and 4,909.30

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Solution

The fourth proportional to 8,095.90, 11,172.72 and 4,909.30 is: 6,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,095.90 : 11,172.72 = 4,909.30 : x
  2. Step 2: Convert to fraction form
    8,095.90/11,172.72 = 4,909.30/x
  3. Step 3: Cross multiply
    8,095.90x = 11,172.72 × 4,909.30
  4. Step 4: Simplify right side
    8,095.90x = 54,850,234.30
  5. Step 5: Solve for x
    x = 54,850,234.30/8,095.90
  6. Step 6: Final answer
    x = 6,775.06

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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.