Home / 11,567.85-17,351.73-2,802.78

Finding the Fourth Proportional to 11,567.85, 17,351.73 and 2,802.78

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Solution

The fourth proportional to 11,567.85, 17,351.73 and 2,802.78 is: 4,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.85 : 17,351.73 = 2,802.78 : x
  2. Step 2: Convert to fraction form
    11,567.85/17,351.73 = 2,802.78/x
  3. Step 3: Cross multiply
    11,567.85x = 17,351.73 × 2,802.78
  4. Step 4: Simplify right side
    11,567.85x = 48,633,081.81
  5. Step 5: Solve for x
    x = 48,633,081.81/11,567.85
  6. Step 6: Final answer
    x = 4,204.16

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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.