Home / 8,036.70-12,087.45-7,194.30

Finding the Fourth Proportional to 8,036.70, 12,087.45 and 7,194.30

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Solution

The fourth proportional to 8,036.70, 12,087.45 and 7,194.30 is: 10,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,036.70 : 12,087.45 = 7,194.30 : x
  2. Step 2: Convert to fraction form
    8,036.70/12,087.45 = 7,194.30/x
  3. Step 3: Cross multiply
    8,036.70x = 12,087.45 × 7,194.30
  4. Step 4: Simplify right side
    8,036.70x = 86,960,741.54
  5. Step 5: Solve for x
    x = 86,960,741.54/8,036.70
  6. Step 6: Final answer
    x = 10,820.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.