Home / 7,845.16-10,826.62-4,308.34

Finding the Fourth Proportional to 7,845.16, 10,826.62 and 4,308.34

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Solution

The fourth proportional to 7,845.16, 10,826.62 and 4,308.34 is: 5,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.16 : 10,826.62 = 4,308.34 : x
  2. Step 2: Convert to fraction form
    7,845.16/10,826.62 = 4,308.34/x
  3. Step 3: Cross multiply
    7,845.16x = 10,826.62 × 4,308.34
  4. Step 4: Simplify right side
    7,845.16x = 46,644,760.01
  5. Step 5: Solve for x
    x = 46,644,760.01/7,845.16
  6. Step 6: Final answer
    x = 5,945.67

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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.