Home / 11,679.19-16,132.16-8,973.99

Finding the Fourth Proportional to 11,679.19, 16,132.16 and 8,973.99

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Solution

The fourth proportional to 11,679.19, 16,132.16 and 8,973.99 is: 12,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.19 : 16,132.16 = 8,973.99 : x
  2. Step 2: Convert to fraction form
    11,679.19/16,132.16 = 8,973.99/x
  3. Step 3: Cross multiply
    11,679.19x = 16,132.16 × 8,973.99
  4. Step 4: Simplify right side
    11,679.19x = 144,769,864.95
  5. Step 5: Solve for x
    x = 144,769,864.95/11,679.19
  6. Step 6: Final answer
    x = 12,395.54

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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.