Home / 11,722.20-16,188.08-10,033.96

Finding the Fourth Proportional to 11,722.20, 16,188.08 and 10,033.96

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Solution

The fourth proportional to 11,722.20, 16,188.08 and 10,033.96 is: 13,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.20 : 16,188.08 = 10,033.96 : x
  2. Step 2: Convert to fraction form
    11,722.20/16,188.08 = 10,033.96/x
  3. Step 3: Cross multiply
    11,722.20x = 16,188.08 × 10,033.96
  4. Step 4: Simplify right side
    11,722.20x = 162,430,547.20
  5. Step 5: Solve for x
    x = 162,430,547.20/11,722.20
  6. Step 6: Final answer
    x = 13,856.66

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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.