Home / 8,156.51-11,255.98-4,620.41

Finding the Fourth Proportional to 8,156.51, 11,255.98 and 4,620.41

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Solution

The fourth proportional to 8,156.51, 11,255.98 and 4,620.41 is: 6,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.51 : 11,255.98 = 4,620.41 : x
  2. Step 2: Convert to fraction form
    8,156.51/11,255.98 = 4,620.41/x
  3. Step 3: Cross multiply
    8,156.51x = 11,255.98 × 4,620.41
  4. Step 4: Simplify right side
    8,156.51x = 52,007,174.72
  5. Step 5: Solve for x
    x = 52,007,174.72/8,156.51
  6. Step 6: Final answer
    x = 6,376.15

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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.