Home / 8,971.91-13,459.43-3,048.18

Finding the Fourth Proportional to 8,971.91, 13,459.43 and 3,048.18

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Solution

The fourth proportional to 8,971.91, 13,459.43 and 3,048.18 is: 4,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.91 : 13,459.43 = 3,048.18 : x
  2. Step 2: Convert to fraction form
    8,971.91/13,459.43 = 3,048.18/x
  3. Step 3: Cross multiply
    8,971.91x = 13,459.43 × 3,048.18
  4. Step 4: Simplify right side
    8,971.91x = 41,026,765.34
  5. Step 5: Solve for x
    x = 41,026,765.34/8,971.91
  6. Step 6: Final answer
    x = 4,572.80

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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.