Home / 11,326.42-15,628.83-6,788.02

Finding the Fourth Proportional to 11,326.42, 15,628.83 and 6,788.02

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Solution

The fourth proportional to 11,326.42, 15,628.83 and 6,788.02 is: 9,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.42 : 15,628.83 = 6,788.02 : x
  2. Step 2: Convert to fraction form
    11,326.42/15,628.83 = 6,788.02/x
  3. Step 3: Cross multiply
    11,326.42x = 15,628.83 × 6,788.02
  4. Step 4: Simplify right side
    11,326.42x = 106,088,810.62
  5. Step 5: Solve for x
    x = 106,088,810.62/11,326.42
  6. Step 6: Final answer
    x = 9,366.49

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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.