Home / 7,846.05-11,773.08-5,215.35

Finding the Fourth Proportional to 7,846.05, 11,773.08 and 5,215.35

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Solution

The fourth proportional to 7,846.05, 11,773.08 and 5,215.35 is: 7,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.05 : 11,773.08 = 5,215.35 : x
  2. Step 2: Convert to fraction form
    7,846.05/11,773.08 = 5,215.35/x
  3. Step 3: Cross multiply
    7,846.05x = 11,773.08 × 5,215.35
  4. Step 4: Simplify right side
    7,846.05x = 61,400,749.26
  5. Step 5: Solve for x
    x = 61,400,749.26/7,846.05
  6. Step 6: Final answer
    x = 7,825.69

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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.