Home / 10,131.37-13,981.23-5,655.11

Finding the Fourth Proportional to 10,131.37, 13,981.23 and 5,655.11

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Solution

The fourth proportional to 10,131.37, 13,981.23 and 5,655.11 is: 7,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.37 : 13,981.23 = 5,655.11 : x
  2. Step 2: Convert to fraction form
    10,131.37/13,981.23 = 5,655.11/x
  3. Step 3: Cross multiply
    10,131.37x = 13,981.23 × 5,655.11
  4. Step 4: Simplify right side
    10,131.37x = 79,065,323.68
  5. Step 5: Solve for x
    x = 79,065,323.68/10,131.37
  6. Step 6: Final answer
    x = 7,804.01

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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.