Home / 11,473.88-15,833.40-7,223.72

Finding the Fourth Proportional to 11,473.88, 15,833.40 and 7,223.72

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Solution

The fourth proportional to 11,473.88, 15,833.40 and 7,223.72 is: 9,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.88 : 15,833.40 = 7,223.72 : x
  2. Step 2: Convert to fraction form
    11,473.88/15,833.40 = 7,223.72/x
  3. Step 3: Cross multiply
    11,473.88x = 15,833.40 × 7,223.72
  4. Step 4: Simplify right side
    11,473.88x = 114,376,048.25
  5. Step 5: Solve for x
    x = 114,376,048.25/11,473.88
  6. Step 6: Final answer
    x = 9,968.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.