Home / 8,068.60-12,102.38-2,802.36

Finding the Fourth Proportional to 8,068.60, 12,102.38 and 2,802.36

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Solution

The fourth proportional to 8,068.60, 12,102.38 and 2,802.36 is: 4,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.60 : 12,102.38 = 2,802.36 : x
  2. Step 2: Convert to fraction form
    8,068.60/12,102.38 = 2,802.36/x
  3. Step 3: Cross multiply
    8,068.60x = 12,102.38 × 2,802.36
  4. Step 4: Simplify right side
    8,068.60x = 33,915,225.62
  5. Step 5: Solve for x
    x = 33,915,225.62/8,068.60
  6. Step 6: Final answer
    x = 4,203.36

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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.