Home / 11,056.07-15,245.91-8,538.59

Finding the Fourth Proportional to 11,056.07, 15,245.91 and 8,538.59

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Solution

The fourth proportional to 11,056.07, 15,245.91 and 8,538.59 is: 11,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.07 : 15,245.91 = 8,538.59 : x
  2. Step 2: Convert to fraction form
    11,056.07/15,245.91 = 8,538.59/x
  3. Step 3: Cross multiply
    11,056.07x = 15,245.91 × 8,538.59
  4. Step 4: Simplify right side
    11,056.07x = 130,178,498.44
  5. Step 5: Solve for x
    x = 130,178,498.44/11,056.07
  6. Step 6: Final answer
    x = 11,774.40

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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.