Home / 8,936.66-12,332.40-4,957.68

Finding the Fourth Proportional to 8,936.66, 12,332.40 and 4,957.68

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Solution

The fourth proportional to 8,936.66, 12,332.40 and 4,957.68 is: 6,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.66 : 12,332.40 = 4,957.68 : x
  2. Step 2: Convert to fraction form
    8,936.66/12,332.40 = 4,957.68/x
  3. Step 3: Cross multiply
    8,936.66x = 12,332.40 × 4,957.68
  4. Step 4: Simplify right side
    8,936.66x = 61,140,092.83
  5. Step 5: Solve for x
    x = 61,140,092.83/8,936.66
  6. Step 6: Final answer
    x = 6,841.49

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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.