Home / 10,231.60-14,119.47-5,755.35

Finding the Fourth Proportional to 10,231.60, 14,119.47 and 5,755.35

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Solution

The fourth proportional to 10,231.60, 14,119.47 and 5,755.35 is: 7,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.60 : 14,119.47 = 5,755.35 : x
  2. Step 2: Convert to fraction form
    10,231.60/14,119.47 = 5,755.35/x
  3. Step 3: Cross multiply
    10,231.60x = 14,119.47 × 5,755.35
  4. Step 4: Simplify right side
    10,231.60x = 81,262,491.66
  5. Step 5: Solve for x
    x = 81,262,491.66/10,231.60
  6. Step 6: Final answer
    x = 7,942.31

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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.