Home / 6,912.11-10,368.18-1,717.99

Finding the Fourth Proportional to 6,912.11, 10,368.18 and 1,717.99

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Solution

The fourth proportional to 6,912.11, 10,368.18 and 1,717.99 is: 2,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.11 : 10,368.18 = 1,717.99 : x
  2. Step 2: Convert to fraction form
    6,912.11/10,368.18 = 1,717.99/x
  3. Step 3: Cross multiply
    6,912.11x = 10,368.18 × 1,717.99
  4. Step 4: Simplify right side
    6,912.11x = 17,812,403.64
  5. Step 5: Solve for x
    x = 17,812,403.64/6,912.11
  6. Step 6: Final answer
    x = 2,576.98

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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.