Home / 10,516.56-14,515.38-6,324

Finding the Fourth Proportional to 10,516.56, 14,515.38 and 6,324

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Solution

The fourth proportional to 10,516.56, 14,515.38 and 6,324 is: 8,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.56 : 14,515.38 = 6,324 : x
  2. Step 2: Convert to fraction form
    10,516.56/14,515.38 = 6,324/x
  3. Step 3: Cross multiply
    10,516.56x = 14,515.38 × 6,324
  4. Step 4: Simplify right side
    10,516.56x = 91,795,263.12
  5. Step 5: Solve for x
    x = 91,795,263.12/10,516.56
  6. Step 6: Final answer
    x = 8,728.64

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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.