Home / 4,111.17-6,166.80-1,189.50

Finding the Fourth Proportional to 4,111.17, 6,166.80 and 1,189.50

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Solution

The fourth proportional to 4,111.17, 6,166.80 and 1,189.50 is: 1,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.17 : 6,166.80 = 1,189.50 : x
  2. Step 2: Convert to fraction form
    4,111.17/6,166.80 = 1,189.50/x
  3. Step 3: Cross multiply
    4,111.17x = 6,166.80 × 1,189.50
  4. Step 4: Simplify right side
    4,111.17x = 7,335,408.60
  5. Step 5: Solve for x
    x = 7,335,408.60/4,111.17
  6. Step 6: Final answer
    x = 1,784.26

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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.