Home / 8,625.41-12,928.89-4,461.23

Finding the Fourth Proportional to 8,625.41, 12,928.89 and 4,461.23

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Solution

The fourth proportional to 8,625.41, 12,928.89 and 4,461.23 is: 6,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.41 : 12,928.89 = 4,461.23 : x
  2. Step 2: Convert to fraction form
    8,625.41/12,928.89 = 4,461.23/x
  3. Step 3: Cross multiply
    8,625.41x = 12,928.89 × 4,461.23
  4. Step 4: Simplify right side
    8,625.41x = 57,678,764.62
  5. Step 5: Solve for x
    x = 57,678,764.62/8,625.41
  6. Step 6: Final answer
    x = 6,687.07

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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.