Home / 10,014.93-13,820.70-5,538.99

Finding the Fourth Proportional to 10,014.93, 13,820.70 and 5,538.99

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Solution

The fourth proportional to 10,014.93, 13,820.70 and 5,538.99 is: 7,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.93 : 13,820.70 = 5,538.99 : x
  2. Step 2: Convert to fraction form
    10,014.93/13,820.70 = 5,538.99/x
  3. Step 3: Cross multiply
    10,014.93x = 13,820.70 × 5,538.99
  4. Step 4: Simplify right side
    10,014.93x = 76,552,719.09
  5. Step 5: Solve for x
    x = 76,552,719.09/10,014.93
  6. Step 6: Final answer
    x = 7,643.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.