Home / 8,104.59-11,173.23-5,118.93

Finding the Fourth Proportional to 8,104.59, 11,173.23 and 5,118.93

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Solution

The fourth proportional to 8,104.59, 11,173.23 and 5,118.93 is: 7,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.59 : 11,173.23 = 5,118.93 : x
  2. Step 2: Convert to fraction form
    8,104.59/11,173.23 = 5,118.93/x
  3. Step 3: Cross multiply
    8,104.59x = 11,173.23 × 5,118.93
  4. Step 4: Simplify right side
    8,104.59x = 57,194,967.11
  5. Step 5: Solve for x
    x = 57,194,967.11/8,104.59
  6. Step 6: Final answer
    x = 7,057.11

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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.