Home / 8,470.44-12,700.40-3,534.03

Finding the Fourth Proportional to 8,470.44, 12,700.40 and 3,534.03

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Solution

The fourth proportional to 8,470.44, 12,700.40 and 3,534.03 is: 5,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.44 : 12,700.40 = 3,534.03 : x
  2. Step 2: Convert to fraction form
    8,470.44/12,700.40 = 3,534.03/x
  3. Step 3: Cross multiply
    8,470.44x = 12,700.40 × 3,534.03
  4. Step 4: Simplify right side
    8,470.44x = 44,883,576.94
  5. Step 5: Solve for x
    x = 44,883,576.94/8,470.44
  6. Step 6: Final answer
    x = 5,298.85

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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.