Home / 12,533.30-18,799.46-5,135.98

Finding the Fourth Proportional to 12,533.30, 18,799.46 and 5,135.98

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Solution

The fourth proportional to 12,533.30, 18,799.46 and 5,135.98 is: 7,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.30 : 18,799.46 = 5,135.98 : x
  2. Step 2: Convert to fraction form
    12,533.30/18,799.46 = 5,135.98/x
  3. Step 3: Cross multiply
    12,533.30x = 18,799.46 × 5,135.98
  4. Step 4: Simplify right side
    12,533.30x = 96,553,650.57
  5. Step 5: Solve for x
    x = 96,553,650.57/12,533.30
  6. Step 6: Final answer
    x = 7,703.77

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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.