Home / 12,236.37-16,886.61-6,859.05

Finding the Fourth Proportional to 12,236.37, 16,886.61 and 6,859.05

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Solution

The fourth proportional to 12,236.37, 16,886.61 and 6,859.05 is: 9,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.37 : 16,886.61 = 6,859.05 : x
  2. Step 2: Convert to fraction form
    12,236.37/16,886.61 = 6,859.05/x
  3. Step 3: Cross multiply
    12,236.37x = 16,886.61 × 6,859.05
  4. Step 4: Simplify right side
    12,236.37x = 115,826,102.32
  5. Step 5: Solve for x
    x = 115,826,102.32/12,236.37
  6. Step 6: Final answer
    x = 9,465.72

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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.