Home / 10,272.35-14,175.81-5,556.63

Finding the Fourth Proportional to 10,272.35, 14,175.81 and 5,556.63

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Solution

The fourth proportional to 10,272.35, 14,175.81 and 5,556.63 is: 7,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.35 : 14,175.81 = 5,556.63 : x
  2. Step 2: Convert to fraction form
    10,272.35/14,175.81 = 5,556.63/x
  3. Step 3: Cross multiply
    10,272.35x = 14,175.81 × 5,556.63
  4. Step 4: Simplify right side
    10,272.35x = 78,769,731.12
  5. Step 5: Solve for x
    x = 78,769,731.12/10,272.35
  6. Step 6: Final answer
    x = 7,668.14

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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.