Home / 12,355.08-18,532.62-4,152.84

Finding the Fourth Proportional to 12,355.08, 18,532.62 and 4,152.84

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Solution

The fourth proportional to 12,355.08, 18,532.62 and 4,152.84 is: 6,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.08 : 18,532.62 = 4,152.84 : x
  2. Step 2: Convert to fraction form
    12,355.08/18,532.62 = 4,152.84/x
  3. Step 3: Cross multiply
    12,355.08x = 18,532.62 × 4,152.84
  4. Step 4: Simplify right side
    12,355.08x = 76,963,005.64
  5. Step 5: Solve for x
    x = 76,963,005.64/12,355.08
  6. Step 6: Final answer
    x = 6,229.26

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1.5x scale

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.