Home / 9,321.40-13,984.54-3,082.36

Finding the Fourth Proportional to 9,321.40, 13,984.54 and 3,082.36

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Solution

The fourth proportional to 9,321.40, 13,984.54 and 3,082.36 is: 4,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.40 : 13,984.54 = 3,082.36 : x
  2. Step 2: Convert to fraction form
    9,321.40/13,984.54 = 3,082.36/x
  3. Step 3: Cross multiply
    9,321.40x = 13,984.54 × 3,082.36
  4. Step 4: Simplify right side
    9,321.40x = 43,105,386.71
  5. Step 5: Solve for x
    x = 43,105,386.71/9,321.40
  6. Step 6: Final answer
    x = 4,624.35

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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.