Home / 12,367.08-18,549.72-8,011.98

Finding the Fourth Proportional to 12,367.08, 18,549.72 and 8,011.98

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Solution

The fourth proportional to 12,367.08, 18,549.72 and 8,011.98 is: 12,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.08 : 18,549.72 = 8,011.98 : x
  2. Step 2: Convert to fraction form
    12,367.08/18,549.72 = 8,011.98/x
  3. Step 3: Cross multiply
    12,367.08x = 18,549.72 × 8,011.98
  4. Step 4: Simplify right side
    12,367.08x = 148,619,985.65
  5. Step 5: Solve for x
    x = 148,619,985.65/12,367.08
  6. Step 6: Final answer
    x = 12,017.39

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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.