Home / 8,555.88-11,804.34-4,778.46

Finding the Fourth Proportional to 8,555.88, 11,804.34 and 4,778.46

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Solution

The fourth proportional to 8,555.88, 11,804.34 and 4,778.46 is: 6,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.88 : 11,804.34 = 4,778.46 : x
  2. Step 2: Convert to fraction form
    8,555.88/11,804.34 = 4,778.46/x
  3. Step 3: Cross multiply
    8,555.88x = 11,804.34 × 4,778.46
  4. Step 4: Simplify right side
    8,555.88x = 56,406,566.52
  5. Step 5: Solve for x
    x = 56,406,566.52/8,555.88
  6. Step 6: Final answer
    x = 6,592.73

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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.