Home / 11,056.35-15,255.30-6,340.63

Finding the Fourth Proportional to 11,056.35, 15,255.30 and 6,340.63

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Solution

The fourth proportional to 11,056.35, 15,255.30 and 6,340.63 is: 8,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.35 : 15,255.30 = 6,340.63 : x
  2. Step 2: Convert to fraction form
    11,056.35/15,255.30 = 6,340.63/x
  3. Step 3: Cross multiply
    11,056.35x = 15,255.30 × 6,340.63
  4. Step 4: Simplify right side
    11,056.35x = 96,728,212.84
  5. Step 5: Solve for x
    x = 96,728,212.84/11,056.35
  6. Step 6: Final answer
    x = 8,748.66

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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.