Home / 10,431.95-14,396.43-5,716.53

Finding the Fourth Proportional to 10,431.95, 14,396.43 and 5,716.53

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Solution

The fourth proportional to 10,431.95, 14,396.43 and 5,716.53 is: 7,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.95 : 14,396.43 = 5,716.53 : x
  2. Step 2: Convert to fraction form
    10,431.95/14,396.43 = 5,716.53/x
  3. Step 3: Cross multiply
    10,431.95x = 14,396.43 × 5,716.53
  4. Step 4: Simplify right side
    10,431.95x = 82,297,623.99
  5. Step 5: Solve for x
    x = 82,297,623.99/10,431.95
  6. Step 6: Final answer
    x = 7,889.00

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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.