Home / 11,703.12-16,153.56-7,227.60

Finding the Fourth Proportional to 11,703.12, 16,153.56 and 7,227.60

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Solution

The fourth proportional to 11,703.12, 16,153.56 and 7,227.60 is: 9,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.12 : 16,153.56 = 7,227.60 : x
  2. Step 2: Convert to fraction form
    11,703.12/16,153.56 = 7,227.60/x
  3. Step 3: Cross multiply
    11,703.12x = 16,153.56 × 7,227.60
  4. Step 4: Simplify right side
    11,703.12x = 116,751,470.26
  5. Step 5: Solve for x
    x = 116,751,470.26/11,703.12
  6. Step 6: Final answer
    x = 9,976.10

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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.