Home / 8,271.57-11,415.48-4,546.29

Finding the Fourth Proportional to 8,271.57, 11,415.48 and 4,546.29

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Solution

The fourth proportional to 8,271.57, 11,415.48 and 4,546.29 is: 6,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.57 : 11,415.48 = 4,546.29 : x
  2. Step 2: Convert to fraction form
    8,271.57/11,415.48 = 4,546.29/x
  3. Step 3: Cross multiply
    8,271.57x = 11,415.48 × 4,546.29
  4. Step 4: Simplify right side
    8,271.57x = 51,898,082.57
  5. Step 5: Solve for x
    x = 51,898,082.57/8,271.57
  6. Step 6: Final answer
    x = 6,274.27

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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.