Home / 11,701.58-16,143.56-7,451.54

Finding the Fourth Proportional to 11,701.58, 16,143.56 and 7,451.54

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Solution

The fourth proportional to 11,701.58, 16,143.56 and 7,451.54 is: 10,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.58 : 16,143.56 = 7,451.54 : x
  2. Step 2: Convert to fraction form
    11,701.58/16,143.56 = 7,451.54/x
  3. Step 3: Cross multiply
    11,701.58x = 16,143.56 × 7,451.54
  4. Step 4: Simplify right side
    11,701.58x = 120,294,383.08
  5. Step 5: Solve for x
    x = 120,294,383.08/11,701.58
  6. Step 6: Final answer
    x = 10,280.18

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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.