Home / 11,166.80-15,410.37-6,131.23

Finding the Fourth Proportional to 11,166.80, 15,410.37 and 6,131.23

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Solution

The fourth proportional to 11,166.80, 15,410.37 and 6,131.23 is: 8,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.80 : 15,410.37 = 6,131.23 : x
  2. Step 2: Convert to fraction form
    11,166.80/15,410.37 = 6,131.23/x
  3. Step 3: Cross multiply
    11,166.80x = 15,410.37 × 6,131.23
  4. Step 4: Simplify right side
    11,166.80x = 94,484,594.00
  5. Step 5: Solve for x
    x = 94,484,594.00/11,166.80
  6. Step 6: Final answer
    x = 8,461.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.