Home / 10,219.75-14,103.14-5,744.26

Finding the Fourth Proportional to 10,219.75, 14,103.14 and 5,744.26

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Solution

The fourth proportional to 10,219.75, 14,103.14 and 5,744.26 is: 7,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.75 : 14,103.14 = 5,744.26 : x
  2. Step 2: Convert to fraction form
    10,219.75/14,103.14 = 5,744.26/x
  3. Step 3: Cross multiply
    10,219.75x = 14,103.14 × 5,744.26
  4. Step 4: Simplify right side
    10,219.75x = 81,012,074.26
  5. Step 5: Solve for x
    x = 81,012,074.26/10,219.75
  6. Step 6: Final answer
    x = 7,927.01

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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.