Home / 12,436.07-18,654.12-5,040.68

Finding the Fourth Proportional to 12,436.07, 18,654.12 and 5,040.68

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Solution

The fourth proportional to 12,436.07, 18,654.12 and 5,040.68 is: 7,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.07 : 18,654.12 = 5,040.68 : x
  2. Step 2: Convert to fraction form
    12,436.07/18,654.12 = 5,040.68/x
  3. Step 3: Cross multiply
    12,436.07x = 18,654.12 × 5,040.68
  4. Step 4: Simplify right side
    12,436.07x = 94,029,356.33
  5. Step 5: Solve for x
    x = 94,029,356.33/12,436.07
  6. Step 6: Final answer
    x = 7,561.02

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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.