Home / 10,272.51-14,175.99-5,556.69

Finding the Fourth Proportional to 10,272.51, 14,175.99 and 5,556.69

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Solution

The fourth proportional to 10,272.51, 14,175.99 and 5,556.69 is: 7,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.51 : 14,175.99 = 5,556.69 : x
  2. Step 2: Convert to fraction form
    10,272.51/14,175.99 = 5,556.69/x
  3. Step 3: Cross multiply
    10,272.51x = 14,175.99 × 5,556.69
  4. Step 4: Simplify right side
    10,272.51x = 78,771,581.87
  5. Step 5: Solve for x
    x = 78,771,581.87/10,272.51
  6. Step 6: Final answer
    x = 7,668.19

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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.