Home / 8,936.16-12,331.96-4,957.32

Finding the Fourth Proportional to 8,936.16, 12,331.96 and 4,957.32

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Solution

The fourth proportional to 8,936.16, 12,331.96 and 4,957.32 is: 6,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.16 : 12,331.96 = 4,957.32 : x
  2. Step 2: Convert to fraction form
    8,936.16/12,331.96 = 4,957.32/x
  3. Step 3: Cross multiply
    8,936.16x = 12,331.96 × 4,957.32
  4. Step 4: Simplify right side
    8,936.16x = 61,133,471.95
  5. Step 5: Solve for x
    x = 61,133,471.95/8,936.16
  6. Step 6: Final answer
    x = 6,841.13

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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.