Home / 10,272.54-14,176.13-5,556.82

Finding the Fourth Proportional to 10,272.54, 14,176.13 and 5,556.82

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Solution

The fourth proportional to 10,272.54, 14,176.13 and 5,556.82 is: 7,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.54 : 14,176.13 = 5,556.82 : x
  2. Step 2: Convert to fraction form
    10,272.54/14,176.13 = 5,556.82/x
  3. Step 3: Cross multiply
    10,272.54x = 14,176.13 × 5,556.82
  4. Step 4: Simplify right side
    10,272.54x = 78,774,202.71
  5. Step 5: Solve for x
    x = 78,774,202.71/10,272.54
  6. Step 6: Final answer
    x = 7,668.43

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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.