Home / 9,072.29-13,609.28-3,148.25

Finding the Fourth Proportional to 9,072.29, 13,609.28 and 3,148.25

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Solution

The fourth proportional to 9,072.29, 13,609.28 and 3,148.25 is: 4,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.29 : 13,609.28 = 3,148.25 : x
  2. Step 2: Convert to fraction form
    9,072.29/13,609.28 = 3,148.25/x
  3. Step 3: Cross multiply
    9,072.29x = 13,609.28 × 3,148.25
  4. Step 4: Simplify right side
    9,072.29x = 42,845,457.65
  5. Step 5: Solve for x
    x = 42,845,457.65/9,072.29
  6. Step 6: Final answer
    x = 4,722.67

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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.