Home / 11,031.23-16,529.19-9,912.20

Finding the Fourth Proportional to 11,031.23, 16,529.19 and 9,912.20

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Solution

The fourth proportional to 11,031.23, 16,529.19 and 9,912.20 is: 14,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.23 : 16,529.19 = 9,912.20 : x
  2. Step 2: Convert to fraction form
    11,031.23/16,529.19 = 9,912.20/x
  3. Step 3: Cross multiply
    11,031.23x = 16,529.19 × 9,912.20
  4. Step 4: Simplify right side
    11,031.23x = 163,840,637.12
  5. Step 5: Solve for x
    x = 163,840,637.12/11,031.23
  6. Step 6: Final answer
    x = 14,852.44

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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.