Home / 8,936.14-12,331.74-4,957.18

Finding the Fourth Proportional to 8,936.14, 12,331.74 and 4,957.18

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Solution

The fourth proportional to 8,936.14, 12,331.74 and 4,957.18 is: 6,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.14 : 12,331.74 = 4,957.18 : x
  2. Step 2: Convert to fraction form
    8,936.14/12,331.74 = 4,957.18/x
  3. Step 3: Cross multiply
    8,936.14x = 12,331.74 × 4,957.18
  4. Step 4: Simplify right side
    8,936.14x = 61,130,654.89
  5. Step 5: Solve for x
    x = 61,130,654.89/8,936.14
  6. Step 6: Final answer
    x = 6,840.83

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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.