Home / 11,056.56-15,256.80-6,342.36

Finding the Fourth Proportional to 11,056.56, 15,256.80 and 6,342.36

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Solution

The fourth proportional to 11,056.56, 15,256.80 and 6,342.36 is: 8,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.56 : 15,256.80 = 6,342.36 : x
  2. Step 2: Convert to fraction form
    11,056.56/15,256.80 = 6,342.36/x
  3. Step 3: Cross multiply
    11,056.56x = 15,256.80 × 6,342.36
  4. Step 4: Simplify right side
    11,056.56x = 96,764,118.05
  5. Step 5: Solve for x
    x = 96,764,118.05/11,056.56
  6. Step 6: Final answer
    x = 8,751.74

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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.