Home / 7,513.16-11,269.68-3,072.89

Finding the Fourth Proportional to 7,513.16, 11,269.68 and 3,072.89

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Solution

The fourth proportional to 7,513.16, 11,269.68 and 3,072.89 is: 4,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.16 : 11,269.68 = 3,072.89 : x
  2. Step 2: Convert to fraction form
    7,513.16/11,269.68 = 3,072.89/x
  3. Step 3: Cross multiply
    7,513.16x = 11,269.68 × 3,072.89
  4. Step 4: Simplify right side
    7,513.16x = 34,630,430.63
  5. Step 5: Solve for x
    x = 34,630,430.63/7,513.16
  6. Step 6: Final answer
    x = 4,609.31

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1.5x scale

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.