Home / 11,374.94-15,698.33-6,340.79

Finding the Fourth Proportional to 11,374.94, 15,698.33 and 6,340.79

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Solution

The fourth proportional to 11,374.94, 15,698.33 and 6,340.79 is: 8,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.94 : 15,698.33 = 6,340.79 : x
  2. Step 2: Convert to fraction form
    11,374.94/15,698.33 = 6,340.79/x
  3. Step 3: Cross multiply
    11,374.94x = 15,698.33 × 6,340.79
  4. Step 4: Simplify right side
    11,374.94x = 99,539,813.88
  5. Step 5: Solve for x
    x = 99,539,813.88/11,374.94
  6. Step 6: Final answer
    x = 8,750.80

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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.