Home / 8,674.49-13,018.73-4,515.75

Finding the Fourth Proportional to 8,674.49, 13,018.73 and 4,515.75

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Solution

The fourth proportional to 8,674.49, 13,018.73 and 4,515.75 is: 6,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.49 : 13,018.73 = 4,515.75 : x
  2. Step 2: Convert to fraction form
    8,674.49/13,018.73 = 4,515.75/x
  3. Step 3: Cross multiply
    8,674.49x = 13,018.73 × 4,515.75
  4. Step 4: Simplify right side
    8,674.49x = 58,789,307.42
  5. Step 5: Solve for x
    x = 58,789,307.42/8,674.49
  6. Step 6: Final answer
    x = 6,777.26

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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.