Home / 12,236.64-16,886-6,932.24

Finding the Fourth Proportional to 12,236.64, 16,886 and 6,932.24

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Solution

The fourth proportional to 12,236.64, 16,886 and 6,932.24 is: 9,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.64 : 16,886 = 6,932.24 : x
  2. Step 2: Convert to fraction form
    12,236.64/16,886 = 6,932.24/x
  3. Step 3: Cross multiply
    12,236.64x = 16,886 × 6,932.24
  4. Step 4: Simplify right side
    12,236.64x = 117,057,804.64
  5. Step 5: Solve for x
    x = 117,057,804.64/12,236.64
  6. Step 6: Final answer
    x = 9,566.17

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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.