Home / 9,747.31-13,451.22-5,271.07

Finding the Fourth Proportional to 9,747.31, 13,451.22 and 5,271.07

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Solution

The fourth proportional to 9,747.31, 13,451.22 and 5,271.07 is: 7,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.31 : 13,451.22 = 5,271.07 : x
  2. Step 2: Convert to fraction form
    9,747.31/13,451.22 = 5,271.07/x
  3. Step 3: Cross multiply
    9,747.31x = 13,451.22 × 5,271.07
  4. Step 4: Simplify right side
    9,747.31x = 70,902,288.58
  5. Step 5: Solve for x
    x = 70,902,288.58/9,747.31
  6. Step 6: Final answer
    x = 7,274.04

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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.