Home / 8,336.16-12,483.99-5,405.58

Finding the Fourth Proportional to 8,336.16, 12,483.99 and 5,405.58

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Solution

The fourth proportional to 8,336.16, 12,483.99 and 5,405.58 is: 8,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.16 : 12,483.99 = 5,405.58 : x
  2. Step 2: Convert to fraction form
    8,336.16/12,483.99 = 5,405.58/x
  3. Step 3: Cross multiply
    8,336.16x = 12,483.99 × 5,405.58
  4. Step 4: Simplify right side
    8,336.16x = 67,483,206.66
  5. Step 5: Solve for x
    x = 67,483,206.66/8,336.16
  6. Step 6: Final answer
    x = 8,095.24

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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.