Home / 12,482.53-18,723.74-3,717.45

Finding the Fourth Proportional to 12,482.53, 18,723.74 and 3,717.45

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Solution

The fourth proportional to 12,482.53, 18,723.74 and 3,717.45 is: 5,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.53 : 18,723.74 = 3,717.45 : x
  2. Step 2: Convert to fraction form
    12,482.53/18,723.74 = 3,717.45/x
  3. Step 3: Cross multiply
    12,482.53x = 18,723.74 × 3,717.45
  4. Step 4: Simplify right side
    12,482.53x = 69,604,548.68
  5. Step 5: Solve for x
    x = 69,604,548.68/12,482.53
  6. Step 6: Final answer
    x = 5,576.16

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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.