Home / 10,040.67-13,856.36-5,847.39

Finding the Fourth Proportional to 10,040.67, 13,856.36 and 5,847.39

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Solution

The fourth proportional to 10,040.67, 13,856.36 and 5,847.39 is: 8,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.67 : 13,856.36 = 5,847.39 : x
  2. Step 2: Convert to fraction form
    10,040.67/13,856.36 = 5,847.39/x
  3. Step 3: Cross multiply
    10,040.67x = 13,856.36 × 5,847.39
  4. Step 4: Simplify right side
    10,040.67x = 81,023,511.66
  5. Step 5: Solve for x
    x = 81,023,511.66/10,040.67
  6. Step 6: Final answer
    x = 8,069.53

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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.