Home / 11,107.99-15,313.21-7,566.67

Finding the Fourth Proportional to 11,107.99, 15,313.21 and 7,566.67

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Solution

The fourth proportional to 11,107.99, 15,313.21 and 7,566.67 is: 10,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.99 : 15,313.21 = 7,566.67 : x
  2. Step 2: Convert to fraction form
    11,107.99/15,313.21 = 7,566.67/x
  3. Step 3: Cross multiply
    11,107.99x = 15,313.21 × 7,566.67
  4. Step 4: Simplify right side
    11,107.99x = 115,870,006.71
  5. Step 5: Solve for x
    x = 115,870,006.71/11,107.99
  6. Step 6: Final answer
    x = 10,431.23

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Half scale
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Double scale
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Similar ratio
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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.