Home / 9,719.90-14,576.19-3,144.32

Finding the Fourth Proportional to 9,719.90, 14,576.19 and 3,144.32

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Solution

The fourth proportional to 9,719.90, 14,576.19 and 3,144.32 is: 4,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.90 : 14,576.19 = 3,144.32 : x
  2. Step 2: Convert to fraction form
    9,719.90/14,576.19 = 3,144.32/x
  3. Step 3: Cross multiply
    9,719.90x = 14,576.19 × 3,144.32
  4. Step 4: Simplify right side
    9,719.90x = 45,832,205.74
  5. Step 5: Solve for x
    x = 45,832,205.74/9,719.90
  6. Step 6: Final answer
    x = 4,715.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.