Home / 8,675.28-11,967.46-5,271.37

Finding the Fourth Proportional to 8,675.28, 11,967.46 and 5,271.37

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Solution

The fourth proportional to 8,675.28, 11,967.46 and 5,271.37 is: 7,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.28 : 11,967.46 = 5,271.37 : x
  2. Step 2: Convert to fraction form
    8,675.28/11,967.46 = 5,271.37/x
  3. Step 3: Cross multiply
    8,675.28x = 11,967.46 × 5,271.37
  4. Step 4: Simplify right side
    8,675.28x = 63,084,909.62
  5. Step 5: Solve for x
    x = 63,084,909.62/8,675.28
  6. Step 6: Final answer
    x = 7,271.80

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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.