Home / 12,436.14-18,655.02-5,040.44

Finding the Fourth Proportional to 12,436.14, 18,655.02 and 5,040.44

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Solution

The fourth proportional to 12,436.14, 18,655.02 and 5,040.44 is: 7,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.14 : 18,655.02 = 5,040.44 : x
  2. Step 2: Convert to fraction form
    12,436.14/18,655.02 = 5,040.44/x
  3. Step 3: Cross multiply
    12,436.14x = 18,655.02 × 5,040.44
  4. Step 4: Simplify right side
    12,436.14x = 94,029,415.73
  5. Step 5: Solve for x
    x = 94,029,415.73/12,436.14
  6. Step 6: Final answer
    x = 7,560.98

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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.