Home / 11,166.75-15,410.57-6,131.18

Finding the Fourth Proportional to 11,166.75, 15,410.57 and 6,131.18

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Solution

The fourth proportional to 11,166.75, 15,410.57 and 6,131.18 is: 8,461.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.75 : 15,410.57 = 6,131.18 : x
  2. Step 2: Convert to fraction form
    11,166.75/15,410.57 = 6,131.18/x
  3. Step 3: Cross multiply
    11,166.75x = 15,410.57 × 6,131.18
  4. Step 4: Simplify right side
    11,166.75x = 94,484,870.86
  5. Step 5: Solve for x
    x = 94,484,870.86/11,166.75
  6. Step 6: Final answer
    x = 8,461.27

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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.