Home / 8,960.12-13,443.89-4,515.41

Finding the Fourth Proportional to 8,960.12, 13,443.89 and 4,515.41

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Solution

The fourth proportional to 8,960.12, 13,443.89 and 4,515.41 is: 6,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.12 : 13,443.89 = 4,515.41 : x
  2. Step 2: Convert to fraction form
    8,960.12/13,443.89 = 4,515.41/x
  3. Step 3: Cross multiply
    8,960.12x = 13,443.89 × 4,515.41
  4. Step 4: Simplify right side
    8,960.12x = 60,704,585.55
  5. Step 5: Solve for x
    x = 60,704,585.55/8,960.12
  6. Step 6: Final answer
    x = 6,774.98

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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.