Home / 8,584.36-12,873.30-3,656.32

Finding the Fourth Proportional to 8,584.36, 12,873.30 and 3,656.32

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Solution

The fourth proportional to 8,584.36, 12,873.30 and 3,656.32 is: 5,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.36 : 12,873.30 = 3,656.32 : x
  2. Step 2: Convert to fraction form
    8,584.36/12,873.30 = 3,656.32/x
  3. Step 3: Cross multiply
    8,584.36x = 12,873.30 × 3,656.32
  4. Step 4: Simplify right side
    8,584.36x = 47,068,904.26
  5. Step 5: Solve for x
    x = 47,068,904.26/8,584.36
  6. Step 6: Final answer
    x = 5,483.10

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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.