Home / 8,431.16-11,632.41-4,893.66

Finding the Fourth Proportional to 8,431.16, 11,632.41 and 4,893.66

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Solution

The fourth proportional to 8,431.16, 11,632.41 and 4,893.66 is: 6,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.16 : 11,632.41 = 4,893.66 : x
  2. Step 2: Convert to fraction form
    8,431.16/11,632.41 = 4,893.66/x
  3. Step 3: Cross multiply
    8,431.16x = 11,632.41 × 4,893.66
  4. Step 4: Simplify right side
    8,431.16x = 56,925,059.52
  5. Step 5: Solve for x
    x = 56,925,059.52/8,431.16
  6. Step 6: Final answer
    x = 6,751.75

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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.