Home / 10,209.99-14,090.96-5,735.18

Finding the Fourth Proportional to 10,209.99, 14,090.96 and 5,735.18

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Solution

The fourth proportional to 10,209.99, 14,090.96 and 5,735.18 is: 7,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.99 : 14,090.96 = 5,735.18 : x
  2. Step 2: Convert to fraction form
    10,209.99/14,090.96 = 5,735.18/x
  3. Step 3: Cross multiply
    10,209.99x = 14,090.96 × 5,735.18
  4. Step 4: Simplify right side
    10,209.99x = 80,814,198.52
  5. Step 5: Solve for x
    x = 80,814,198.52/10,209.99
  6. Step 6: Final answer
    x = 7,915.21

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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.