Home / 11,056.06-15,245.90-8,538.58

Finding the Fourth Proportional to 11,056.06, 15,245.90 and 8,538.58

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Solution

The fourth proportional to 11,056.06, 15,245.90 and 8,538.58 is: 11,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.06 : 15,245.90 = 8,538.58 : x
  2. Step 2: Convert to fraction form
    11,056.06/15,245.90 = 8,538.58/x
  3. Step 3: Cross multiply
    11,056.06x = 15,245.90 × 8,538.58
  4. Step 4: Simplify right side
    11,056.06x = 130,178,336.82
  5. Step 5: Solve for x
    x = 130,178,336.82/11,056.06
  6. Step 6: Final answer
    x = 11,774.39

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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.