Home / 8,454.44-11,666.40-4,677.55

Finding the Fourth Proportional to 8,454.44, 11,666.40 and 4,677.55

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Solution

The fourth proportional to 8,454.44, 11,666.40 and 4,677.55 is: 6,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.44 : 11,666.40 = 4,677.55 : x
  2. Step 2: Convert to fraction form
    8,454.44/11,666.40 = 4,677.55/x
  3. Step 3: Cross multiply
    8,454.44x = 11,666.40 × 4,677.55
  4. Step 4: Simplify right side
    8,454.44x = 54,570,122.61
  5. Step 5: Solve for x
    x = 54,570,122.61/8,454.44
  6. Step 6: Final answer
    x = 6,454.61

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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.