Home / 8,111.35-11,193.64-4,574.54

Finding the Fourth Proportional to 8,111.35, 11,193.64 and 4,574.54

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Solution

The fourth proportional to 8,111.35, 11,193.64 and 4,574.54 is: 6,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.35 : 11,193.64 = 4,574.54 : x
  2. Step 2: Convert to fraction form
    8,111.35/11,193.64 = 4,574.54/x
  3. Step 3: Cross multiply
    8,111.35x = 11,193.64 × 4,574.54
  4. Step 4: Simplify right side
    8,111.35x = 51,205,753.93
  5. Step 5: Solve for x
    x = 51,205,753.93/8,111.35
  6. Step 6: Final answer
    x = 6,312.85

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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.