Home / 8,527.85-11,769.27-5,173.03

Finding the Fourth Proportional to 8,527.85, 11,769.27 and 5,173.03

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Solution

The fourth proportional to 8,527.85, 11,769.27 and 5,173.03 is: 7,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.85 : 11,769.27 = 5,173.03 : x
  2. Step 2: Convert to fraction form
    8,527.85/11,769.27 = 5,173.03/x
  3. Step 3: Cross multiply
    8,527.85x = 11,769.27 × 5,173.03
  4. Step 4: Simplify right side
    8,527.85x = 60,882,782.10
  5. Step 5: Solve for x
    x = 60,882,782.10/8,527.85
  6. Step 6: Final answer
    x = 7,139.29

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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.