Home / 8,566.12-11,821.92-4,788.80

Finding the Fourth Proportional to 8,566.12, 11,821.92 and 4,788.80

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Solution

The fourth proportional to 8,566.12, 11,821.92 and 4,788.80 is: 6,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.12 : 11,821.92 = 4,788.80 : x
  2. Step 2: Convert to fraction form
    8,566.12/11,821.92 = 4,788.80/x
  3. Step 3: Cross multiply
    8,566.12x = 11,821.92 × 4,788.80
  4. Step 4: Simplify right side
    8,566.12x = 56,612,810.50
  5. Step 5: Solve for x
    x = 56,612,810.50/8,566.12
  6. Step 6: Final answer
    x = 6,608.92

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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.