Home / 12,040.93-18,065.66-5,376.81

Finding the Fourth Proportional to 12,040.93, 18,065.66 and 5,376.81

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Solution

The fourth proportional to 12,040.93, 18,065.66 and 5,376.81 is: 8,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.93 : 18,065.66 = 5,376.81 : x
  2. Step 2: Convert to fraction form
    12,040.93/18,065.66 = 5,376.81/x
  3. Step 3: Cross multiply
    12,040.93x = 18,065.66 × 5,376.81
  4. Step 4: Simplify right side
    12,040.93x = 97,135,621.34
  5. Step 5: Solve for x
    x = 97,135,621.34/12,040.93
  6. Step 6: Final answer
    x = 8,067.12

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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.