Home / 11,822.37-16,321.55-7,848.92

Finding the Fourth Proportional to 11,822.37, 16,321.55 and 7,848.92

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Solution

The fourth proportional to 11,822.37, 16,321.55 and 7,848.92 is: 10,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.37 : 16,321.55 = 7,848.92 : x
  2. Step 2: Convert to fraction form
    11,822.37/16,321.55 = 7,848.92/x
  3. Step 3: Cross multiply
    11,822.37x = 16,321.55 × 7,848.92
  4. Step 4: Simplify right side
    11,822.37x = 128,106,419.37
  5. Step 5: Solve for x
    x = 128,106,419.37/11,822.37
  6. Step 6: Final answer
    x = 10,835.93

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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.