Home / 11,406.81-16,956.30-11,070.48

Finding the Fourth Proportional to 11,406.81, 16,956.30 and 11,070.48

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Solution

The fourth proportional to 11,406.81, 16,956.30 and 11,070.48 is: 16,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.81 : 16,956.30 = 11,070.48 : x
  2. Step 2: Convert to fraction form
    11,406.81/16,956.30 = 11,070.48/x
  3. Step 3: Cross multiply
    11,406.81x = 16,956.30 × 11,070.48
  4. Step 4: Simplify right side
    11,406.81x = 187,714,380.02
  5. Step 5: Solve for x
    x = 187,714,380.02/11,406.81
  6. Step 6: Final answer
    x = 16,456.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.