Home / 8,366.32-12,556.38-4,207.51

Finding the Fourth Proportional to 8,366.32, 12,556.38 and 4,207.51

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Solution

The fourth proportional to 8,366.32, 12,556.38 and 4,207.51 is: 6,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.32 : 12,556.38 = 4,207.51 : x
  2. Step 2: Convert to fraction form
    8,366.32/12,556.38 = 4,207.51/x
  3. Step 3: Cross multiply
    8,366.32x = 12,556.38 × 4,207.51
  4. Step 4: Simplify right side
    8,366.32x = 52,831,094.41
  5. Step 5: Solve for x
    x = 52,831,094.41/8,366.32
  6. Step 6: Final answer
    x = 6,314.74

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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.