Home / 12,748.69-19,095.35-6,161.06

Finding the Fourth Proportional to 12,748.69, 19,095.35 and 6,161.06

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Solution

The fourth proportional to 12,748.69, 19,095.35 and 6,161.06 is: 9,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.69 : 19,095.35 = 6,161.06 : x
  2. Step 2: Convert to fraction form
    12,748.69/19,095.35 = 6,161.06/x
  3. Step 3: Cross multiply
    12,748.69x = 19,095.35 × 6,161.06
  4. Step 4: Simplify right side
    12,748.69x = 117,647,614.00
  5. Step 5: Solve for x
    x = 117,647,614.00/12,748.69
  6. Step 6: Final answer
    x = 9,228.21

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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.