Home / 10,441.70-15,662.55-7,331.30

Finding the Fourth Proportional to 10,441.70, 15,662.55 and 7,331.30

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Solution

The fourth proportional to 10,441.70, 15,662.55 and 7,331.30 is: 10,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,441.70 : 15,662.55 = 7,331.30 : x
  2. Step 2: Convert to fraction form
    10,441.70/15,662.55 = 7,331.30/x
  3. Step 3: Cross multiply
    10,441.70x = 15,662.55 × 7,331.30
  4. Step 4: Simplify right side
    10,441.70x = 114,826,852.82
  5. Step 5: Solve for x
    x = 114,826,852.82/10,441.70
  6. Step 6: Final answer
    x = 10,996.95

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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.