Home / 8,300.67-12,453.44-2,678.23

Finding the Fourth Proportional to 8,300.67, 12,453.44 and 2,678.23

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Solution

The fourth proportional to 8,300.67, 12,453.44 and 2,678.23 is: 4,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.67 : 12,453.44 = 2,678.23 : x
  2. Step 2: Convert to fraction form
    8,300.67/12,453.44 = 2,678.23/x
  3. Step 3: Cross multiply
    8,300.67x = 12,453.44 × 2,678.23
  4. Step 4: Simplify right side
    8,300.67x = 33,353,178.79
  5. Step 5: Solve for x
    x = 33,353,178.79/8,300.67
  6. Step 6: Final answer
    x = 4,018.13

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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.