Home / 8,583.32-12,875.43-2,739.47

Finding the Fourth Proportional to 8,583.32, 12,875.43 and 2,739.47

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Solution

The fourth proportional to 8,583.32, 12,875.43 and 2,739.47 is: 4,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.32 : 12,875.43 = 2,739.47 : x
  2. Step 2: Convert to fraction form
    8,583.32/12,875.43 = 2,739.47/x
  3. Step 3: Cross multiply
    8,583.32x = 12,875.43 × 2,739.47
  4. Step 4: Simplify right side
    8,583.32x = 35,271,789.84
  5. Step 5: Solve for x
    x = 35,271,789.84/8,583.32
  6. Step 6: Final answer
    x = 4,109.34

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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.