Home / 12,769.08-19,153.62-3,535.08

Finding the Fourth Proportional to 12,769.08, 19,153.62 and 3,535.08

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Solution

The fourth proportional to 12,769.08, 19,153.62 and 3,535.08 is: 5,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.08 : 19,153.62 = 3,535.08 : x
  2. Step 2: Convert to fraction form
    12,769.08/19,153.62 = 3,535.08/x
  3. Step 3: Cross multiply
    12,769.08x = 19,153.62 × 3,535.08
  4. Step 4: Simplify right side
    12,769.08x = 67,709,578.99
  5. Step 5: Solve for x
    x = 67,709,578.99/12,769.08
  6. Step 6: Final answer
    x = 5,302.62

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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.