Home / 11,479.98-15,842.66-6,444.58

Finding the Fourth Proportional to 11,479.98, 15,842.66 and 6,444.58

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Solution

The fourth proportional to 11,479.98, 15,842.66 and 6,444.58 is: 8,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.98 : 15,842.66 = 6,444.58 : x
  2. Step 2: Convert to fraction form
    11,479.98/15,842.66 = 6,444.58/x
  3. Step 3: Cross multiply
    11,479.98x = 15,842.66 × 6,444.58
  4. Step 4: Simplify right side
    11,479.98x = 102,099,289.78
  5. Step 5: Solve for x
    x = 102,099,289.78/11,479.98
  6. Step 6: Final answer
    x = 8,893.68

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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.