Home / 7,674.54-11,510.67-2,127.30

Finding the Fourth Proportional to 7,674.54, 11,510.67 and 2,127.30

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Solution

The fourth proportional to 7,674.54, 11,510.67 and 2,127.30 is: 3,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.54 : 11,510.67 = 2,127.30 : x
  2. Step 2: Convert to fraction form
    7,674.54/11,510.67 = 2,127.30/x
  3. Step 3: Cross multiply
    7,674.54x = 11,510.67 × 2,127.30
  4. Step 4: Simplify right side
    7,674.54x = 24,486,666.43
  5. Step 5: Solve for x
    x = 24,486,666.43/7,674.54
  6. Step 6: Final answer
    x = 3,190.64

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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.