Home / 8,936.20-12,332.01-4,957.39

Finding the Fourth Proportional to 8,936.20, 12,332.01 and 4,957.39

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Solution

The fourth proportional to 8,936.20, 12,332.01 and 4,957.39 is: 6,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.20 : 12,332.01 = 4,957.39 : x
  2. Step 2: Convert to fraction form
    8,936.20/12,332.01 = 4,957.39/x
  3. Step 3: Cross multiply
    8,936.20x = 12,332.01 × 4,957.39
  4. Step 4: Simplify right side
    8,936.20x = 61,134,583.05
  5. Step 5: Solve for x
    x = 61,134,583.05/8,936.20
  6. Step 6: Final answer
    x = 6,841.23

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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.