Home / 11,983.06-16,551.44-8,461.99

Finding the Fourth Proportional to 11,983.06, 16,551.44 and 8,461.99

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Solution

The fourth proportional to 11,983.06, 16,551.44 and 8,461.99 is: 11,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.06 : 16,551.44 = 8,461.99 : x
  2. Step 2: Convert to fraction form
    11,983.06/16,551.44 = 8,461.99/x
  3. Step 3: Cross multiply
    11,983.06x = 16,551.44 × 8,461.99
  4. Step 4: Simplify right side
    11,983.06x = 140,058,119.77
  5. Step 5: Solve for x
    x = 140,058,119.77/11,983.06
  6. Step 6: Final answer
    x = 11,688.01

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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.