Home / 8,467.93-11,685.75-4,639.55

Finding the Fourth Proportional to 8,467.93, 11,685.75 and 4,639.55

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Solution

The fourth proportional to 8,467.93, 11,685.75 and 4,639.55 is: 6,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.93 : 11,685.75 = 4,639.55 : x
  2. Step 2: Convert to fraction form
    8,467.93/11,685.75 = 4,639.55/x
  3. Step 3: Cross multiply
    8,467.93x = 11,685.75 × 4,639.55
  4. Step 4: Simplify right side
    8,467.93x = 54,216,621.41
  5. Step 5: Solve for x
    x = 54,216,621.41/8,467.93
  6. Step 6: Final answer
    x = 6,402.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.