Home / 7,703.37-11,555.73-2,156.76

Finding the Fourth Proportional to 7,703.37, 11,555.73 and 2,156.76

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Solution

The fourth proportional to 7,703.37, 11,555.73 and 2,156.76 is: 3,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.37 : 11,555.73 = 2,156.76 : x
  2. Step 2: Convert to fraction form
    7,703.37/11,555.73 = 2,156.76/x
  3. Step 3: Cross multiply
    7,703.37x = 11,555.73 × 2,156.76
  4. Step 4: Simplify right side
    7,703.37x = 24,922,936.23
  5. Step 5: Solve for x
    x = 24,922,936.23/7,703.37
  6. Step 6: Final answer
    x = 3,235.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.