Home / 11,351.45-15,648.59-7,516.67

Finding the Fourth Proportional to 11,351.45, 15,648.59 and 7,516.67

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Solution

The fourth proportional to 11,351.45, 15,648.59 and 7,516.67 is: 10,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.45 : 15,648.59 = 7,516.67 : x
  2. Step 2: Convert to fraction form
    11,351.45/15,648.59 = 7,516.67/x
  3. Step 3: Cross multiply
    11,351.45x = 15,648.59 × 7,516.67
  4. Step 4: Simplify right side
    11,351.45x = 117,625,227.54
  5. Step 5: Solve for x
    x = 117,625,227.54/11,351.45
  6. Step 6: Final answer
    x = 10,362.14

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Half scale
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Double scale
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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.