Home / 7,828.21-11,732.19-5,972.50

Finding the Fourth Proportional to 7,828.21, 11,732.19 and 5,972.50

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Solution

The fourth proportional to 7,828.21, 11,732.19 and 5,972.50 is: 8,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.21 : 11,732.19 = 5,972.50 : x
  2. Step 2: Convert to fraction form
    7,828.21/11,732.19 = 5,972.50/x
  3. Step 3: Cross multiply
    7,828.21x = 11,732.19 × 5,972.50
  4. Step 4: Simplify right side
    7,828.21x = 70,070,504.78
  5. Step 5: Solve for x
    x = 70,070,504.78/7,828.21
  6. Step 6: Final answer
    x = 8,951.03

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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.