Home / 10,090.46-13,924.89-5,614.40

Finding the Fourth Proportional to 10,090.46, 13,924.89 and 5,614.40

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Solution

The fourth proportional to 10,090.46, 13,924.89 and 5,614.40 is: 7,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.46 : 13,924.89 = 5,614.40 : x
  2. Step 2: Convert to fraction form
    10,090.46/13,924.89 = 5,614.40/x
  3. Step 3: Cross multiply
    10,090.46x = 13,924.89 × 5,614.40
  4. Step 4: Simplify right side
    10,090.46x = 78,179,832.79
  5. Step 5: Solve for x
    x = 78,179,832.79/10,090.46
  6. Step 6: Final answer
    x = 7,747.90

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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.