Home / 10,220.88-14,104.33-5,745.05

Finding the Fourth Proportional to 10,220.88, 14,104.33 and 5,745.05

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Solution

The fourth proportional to 10,220.88, 14,104.33 and 5,745.05 is: 7,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.88 : 14,104.33 = 5,745.05 : x
  2. Step 2: Convert to fraction form
    10,220.88/14,104.33 = 5,745.05/x
  3. Step 3: Cross multiply
    10,220.88x = 14,104.33 × 5,745.05
  4. Step 4: Simplify right side
    10,220.88x = 81,030,088.74
  5. Step 5: Solve for x
    x = 81,030,088.74/10,220.88
  6. Step 6: Final answer
    x = 7,927.89

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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.