Home / 9,335.90-12,877.84-5,556.54

Finding the Fourth Proportional to 9,335.90, 12,877.84 and 5,556.54

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Solution

The fourth proportional to 9,335.90, 12,877.84 and 5,556.54 is: 7,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.90 : 12,877.84 = 5,556.54 : x
  2. Step 2: Convert to fraction form
    9,335.90/12,877.84 = 5,556.54/x
  3. Step 3: Cross multiply
    9,335.90x = 12,877.84 × 5,556.54
  4. Step 4: Simplify right side
    9,335.90x = 71,556,233.07
  5. Step 5: Solve for x
    x = 71,556,233.07/9,335.90
  6. Step 6: Final answer
    x = 7,664.63

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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.