Home / 12,548.76-18,811.62-4,335

Finding the Fourth Proportional to 12,548.76, 18,811.62 and 4,335

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Solution

The fourth proportional to 12,548.76, 18,811.62 and 4,335 is: 6,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.76 : 18,811.62 = 4,335 : x
  2. Step 2: Convert to fraction form
    12,548.76/18,811.62 = 4,335/x
  3. Step 3: Cross multiply
    12,548.76x = 18,811.62 × 4,335
  4. Step 4: Simplify right side
    12,548.76x = 81,548,372.70
  5. Step 5: Solve for x
    x = 81,548,372.70/12,548.76
  6. Step 6: Final answer
    x = 6,498.52

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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.