Home / 8,936.58-12,331.89-4,957.56

Finding the Fourth Proportional to 8,936.58, 12,331.89 and 4,957.56

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Solution

The fourth proportional to 8,936.58, 12,331.89 and 4,957.56 is: 6,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.58 : 12,331.89 = 4,957.56 : x
  2. Step 2: Convert to fraction form
    8,936.58/12,331.89 = 4,957.56/x
  3. Step 3: Cross multiply
    8,936.58x = 12,331.89 × 4,957.56
  4. Step 4: Simplify right side
    8,936.58x = 61,136,084.59
  5. Step 5: Solve for x
    x = 61,136,084.59/8,936.58
  6. Step 6: Final answer
    x = 6,841.11

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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.