Home / 13,161.04-19,751.92-6,137.44

Finding the Fourth Proportional to 13,161.04, 19,751.92 and 6,137.44

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Solution

The fourth proportional to 13,161.04, 19,751.92 and 6,137.44 is: 9,210.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.04 : 19,751.92 = 6,137.44 : x
  2. Step 2: Convert to fraction form
    13,161.04/19,751.92 = 6,137.44/x
  3. Step 3: Cross multiply
    13,161.04x = 19,751.92 × 6,137.44
  4. Step 4: Simplify right side
    13,161.04x = 121,226,223.88
  5. Step 5: Solve for x
    x = 121,226,223.88/13,161.04
  6. Step 6: Final answer
    x = 9,210.99

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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.