Home / 8,471.07-11,693.16-5,113.89

Finding the Fourth Proportional to 8,471.07, 11,693.16 and 5,113.89

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Solution

The fourth proportional to 8,471.07, 11,693.16 and 5,113.89 is: 7,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.07 : 11,693.16 = 5,113.89 : x
  2. Step 2: Convert to fraction form
    8,471.07/11,693.16 = 5,113.89/x
  3. Step 3: Cross multiply
    8,471.07x = 11,693.16 × 5,113.89
  4. Step 4: Simplify right side
    8,471.07x = 59,797,533.99
  5. Step 5: Solve for x
    x = 59,797,533.99/8,471.07
  6. Step 6: Final answer
    x = 7,059.03

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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.