Home / 9,090.68-13,637.56-2,849.48

Finding the Fourth Proportional to 9,090.68, 13,637.56 and 2,849.48

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Solution

The fourth proportional to 9,090.68, 13,637.56 and 2,849.48 is: 4,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.68 : 13,637.56 = 2,849.48 : x
  2. Step 2: Convert to fraction form
    9,090.68/13,637.56 = 2,849.48/x
  3. Step 3: Cross multiply
    9,090.68x = 13,637.56 × 2,849.48
  4. Step 4: Simplify right side
    9,090.68x = 38,859,954.47
  5. Step 5: Solve for x
    x = 38,859,954.47/9,090.68
  6. Step 6: Final answer
    x = 4,274.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.