Home / 12,014.36-16,579.50-6,636.48

Finding the Fourth Proportional to 12,014.36, 16,579.50 and 6,636.48

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Solution

The fourth proportional to 12,014.36, 16,579.50 and 6,636.48 is: 9,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.36 : 16,579.50 = 6,636.48 : x
  2. Step 2: Convert to fraction form
    12,014.36/16,579.50 = 6,636.48/x
  3. Step 3: Cross multiply
    12,014.36x = 16,579.50 × 6,636.48
  4. Step 4: Simplify right side
    12,014.36x = 110,029,520.16
  5. Step 5: Solve for x
    x = 110,029,520.16/12,014.36
  6. Step 6: Final answer
    x = 9,158.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.