Home / 9,335.06-12,879.63-5,556.32

Finding the Fourth Proportional to 9,335.06, 12,879.63 and 5,556.32

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Solution

The fourth proportional to 9,335.06, 12,879.63 and 5,556.32 is: 7,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.06 : 12,879.63 = 5,556.32 : x
  2. Step 2: Convert to fraction form
    9,335.06/12,879.63 = 5,556.32/x
  3. Step 3: Cross multiply
    9,335.06x = 12,879.63 × 5,556.32
  4. Step 4: Simplify right side
    9,335.06x = 71,563,377.96
  5. Step 5: Solve for x
    x = 71,563,377.96/9,335.06
  6. Step 6: Final answer
    x = 7,666.09

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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.