Home / 11,003.20-16,472.40-10,362.40

Finding the Fourth Proportional to 11,003.20, 16,472.40 and 10,362.40

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Solution

The fourth proportional to 11,003.20, 16,472.40 and 10,362.40 is: 15,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.20 : 16,472.40 = 10,362.40 : x
  2. Step 2: Convert to fraction form
    11,003.20/16,472.40 = 10,362.40/x
  3. Step 3: Cross multiply
    11,003.20x = 16,472.40 × 10,362.40
  4. Step 4: Simplify right side
    11,003.20x = 170,693,597.76
  5. Step 5: Solve for x
    x = 170,693,597.76/11,003.20
  6. Step 6: Final answer
    x = 15,513.09

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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.