Home / 10,209.90-14,089.20-5,733.56

Finding the Fourth Proportional to 10,209.90, 14,089.20 and 5,733.56

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Solution

The fourth proportional to 10,209.90, 14,089.20 and 5,733.56 is: 7,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.90 : 14,089.20 = 5,733.56 : x
  2. Step 2: Convert to fraction form
    10,209.90/14,089.20 = 5,733.56/x
  3. Step 3: Cross multiply
    10,209.90x = 14,089.20 × 5,733.56
  4. Step 4: Simplify right side
    10,209.90x = 80,781,203.11
  5. Step 5: Solve for x
    x = 80,781,203.11/10,209.90
  6. Step 6: Final answer
    x = 7,912.05

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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.