Home / 9,748.08-13,456.80-7,998.48

Finding the Fourth Proportional to 9,748.08, 13,456.80 and 7,998.48

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Solution

The fourth proportional to 9,748.08, 13,456.80 and 7,998.48 is: 11,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,748.08 : 13,456.80 = 7,998.48 : x
  2. Step 2: Convert to fraction form
    9,748.08/13,456.80 = 7,998.48/x
  3. Step 3: Cross multiply
    9,748.08x = 13,456.80 × 7,998.48
  4. Step 4: Simplify right side
    9,748.08x = 107,633,945.66
  5. Step 5: Solve for x
    x = 107,633,945.66/9,748.08
  6. Step 6: Final answer
    x = 11,041.55

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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.