Home / 12,584.04-18,872.29-4,148.98

Finding the Fourth Proportional to 12,584.04, 18,872.29 and 4,148.98

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Solution

The fourth proportional to 12,584.04, 18,872.29 and 4,148.98 is: 6,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.04 : 18,872.29 = 4,148.98 : x
  2. Step 2: Convert to fraction form
    12,584.04/18,872.29 = 4,148.98/x
  3. Step 3: Cross multiply
    12,584.04x = 18,872.29 × 4,148.98
  4. Step 4: Simplify right side
    12,584.04x = 78,300,753.76
  5. Step 5: Solve for x
    x = 78,300,753.76/12,584.04
  6. Step 6: Final answer
    x = 6,222.23

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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.