Home / 12,467.98-18,691.62-5,075.92

Finding the Fourth Proportional to 12,467.98, 18,691.62 and 5,075.92

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Solution

The fourth proportional to 12,467.98, 18,691.62 and 5,075.92 is: 7,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.98 : 18,691.62 = 5,075.92 : x
  2. Step 2: Convert to fraction form
    12,467.98/18,691.62 = 5,075.92/x
  3. Step 3: Cross multiply
    12,467.98x = 18,691.62 × 5,075.92
  4. Step 4: Simplify right side
    12,467.98x = 94,877,167.79
  5. Step 5: Solve for x
    x = 94,877,167.79/12,467.98
  6. Step 6: Final answer
    x = 7,609.67

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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.