Home / 11,747.05-17,586.73-7,802.25

Finding the Fourth Proportional to 11,747.05, 17,586.73 and 7,802.25

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Solution

The fourth proportional to 11,747.05, 17,586.73 and 7,802.25 is: 11,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.05 : 17,586.73 = 7,802.25 : x
  2. Step 2: Convert to fraction form
    11,747.05/17,586.73 = 7,802.25/x
  3. Step 3: Cross multiply
    11,747.05x = 17,586.73 × 7,802.25
  4. Step 4: Simplify right side
    11,747.05x = 137,216,073.90
  5. Step 5: Solve for x
    x = 137,216,073.90/11,747.05
  6. Step 6: Final answer
    x = 11,680.90

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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.