Home / 10,127.09-13,975.40-5,650.73

Finding the Fourth Proportional to 10,127.09, 13,975.40 and 5,650.73

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Solution

The fourth proportional to 10,127.09, 13,975.40 and 5,650.73 is: 7,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.09 : 13,975.40 = 5,650.73 : x
  2. Step 2: Convert to fraction form
    10,127.09/13,975.40 = 5,650.73/x
  3. Step 3: Cross multiply
    10,127.09x = 13,975.40 × 5,650.73
  4. Step 4: Simplify right side
    10,127.09x = 78,971,208.70
  5. Step 5: Solve for x
    x = 78,971,208.70/10,127.09
  6. Step 6: Final answer
    x = 7,798.01

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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.