Home / 13,073.43-18,035.96-7,763.07

Finding the Fourth Proportional to 13,073.43, 18,035.96 and 7,763.07

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Solution

The fourth proportional to 13,073.43, 18,035.96 and 7,763.07 is: 10,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.43 : 18,035.96 = 7,763.07 : x
  2. Step 2: Convert to fraction form
    13,073.43/18,035.96 = 7,763.07/x
  3. Step 3: Cross multiply
    13,073.43x = 18,035.96 × 7,763.07
  4. Step 4: Simplify right side
    13,073.43x = 140,014,381.18
  5. Step 5: Solve for x
    x = 140,014,381.18/13,073.43
  6. Step 6: Final answer
    x = 10,709.84

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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.