Home / 10,031.99-13,843.97-5,555.64

Finding the Fourth Proportional to 10,031.99, 13,843.97 and 5,555.64

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Solution

The fourth proportional to 10,031.99, 13,843.97 and 5,555.64 is: 7,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.99 : 13,843.97 = 5,555.64 : x
  2. Step 2: Convert to fraction form
    10,031.99/13,843.97 = 5,555.64/x
  3. Step 3: Cross multiply
    10,031.99x = 13,843.97 × 5,555.64
  4. Step 4: Simplify right side
    10,031.99x = 76,912,113.49
  5. Step 5: Solve for x
    x = 76,912,113.49/10,031.99
  6. Step 6: Final answer
    x = 7,666.69

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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.