Home / 12,849.09-17,742.63-10,735.90

Finding the Fourth Proportional to 12,849.09, 17,742.63 and 10,735.90

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Solution

The fourth proportional to 12,849.09, 17,742.63 and 10,735.90 is: 14,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.09 : 17,742.63 = 10,735.90 : x
  2. Step 2: Convert to fraction form
    12,849.09/17,742.63 = 10,735.90/x
  3. Step 3: Cross multiply
    12,849.09x = 17,742.63 × 10,735.90
  4. Step 4: Simplify right side
    12,849.09x = 190,483,012.70
  5. Step 5: Solve for x
    x = 190,483,012.70/12,849.09
  6. Step 6: Final answer
    x = 14,824.64

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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.