Home / 11,445.14-17,163.63-5,199.92

Finding the Fourth Proportional to 11,445.14, 17,163.63 and 5,199.92

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Solution

The fourth proportional to 11,445.14, 17,163.63 and 5,199.92 is: 7,798.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.14 : 17,163.63 = 5,199.92 : x
  2. Step 2: Convert to fraction form
    11,445.14/17,163.63 = 5,199.92/x
  3. Step 3: Cross multiply
    11,445.14x = 17,163.63 × 5,199.92
  4. Step 4: Simplify right side
    11,445.14x = 89,249,502.91
  5. Step 5: Solve for x
    x = 89,249,502.91/11,445.14
  6. Step 6: Final answer
    x = 7,798.03

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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.