Home / 11,448.08-15,793.80-6,724.88

Finding the Fourth Proportional to 11,448.08, 15,793.80 and 6,724.88

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Solution

The fourth proportional to 11,448.08, 15,793.80 and 6,724.88 is: 9,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.08 : 15,793.80 = 6,724.88 : x
  2. Step 2: Convert to fraction form
    11,448.08/15,793.80 = 6,724.88/x
  3. Step 3: Cross multiply
    11,448.08x = 15,793.80 × 6,724.88
  4. Step 4: Simplify right side
    11,448.08x = 106,211,409.74
  5. Step 5: Solve for x
    x = 106,211,409.74/11,448.08
  6. Step 6: Final answer
    x = 9,277.66

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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.