Home / 8,048.26-12,070.05-3,116.80

Finding the Fourth Proportional to 8,048.26, 12,070.05 and 3,116.80

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Solution

The fourth proportional to 8,048.26, 12,070.05 and 3,116.80 is: 4,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.26 : 12,070.05 = 3,116.80 : x
  2. Step 2: Convert to fraction form
    8,048.26/12,070.05 = 3,116.80/x
  3. Step 3: Cross multiply
    8,048.26x = 12,070.05 × 3,116.80
  4. Step 4: Simplify right side
    8,048.26x = 37,619,931.84
  5. Step 5: Solve for x
    x = 37,619,931.84/8,048.26
  6. Step 6: Final answer
    x = 4,674.29

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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.