Home / 11,277.28-15,556.48-6,798.32

Finding the Fourth Proportional to 11,277.28, 15,556.48 and 6,798.32

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Solution

The fourth proportional to 11,277.28, 15,556.48 and 6,798.32 is: 9,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.28 : 15,556.48 = 6,798.32 : x
  2. Step 2: Convert to fraction form
    11,277.28/15,556.48 = 6,798.32/x
  3. Step 3: Cross multiply
    11,277.28x = 15,556.48 × 6,798.32
  4. Step 4: Simplify right side
    11,277.28x = 105,757,929.11
  5. Step 5: Solve for x
    x = 105,757,929.11/11,277.28
  6. Step 6: Final answer
    x = 9,377.96

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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.