Home / 6,251.60-9,367.80-5,272.40

Finding the Fourth Proportional to 6,251.60, 9,367.80 and 5,272.40

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Solution

The fourth proportional to 6,251.60, 9,367.80 and 5,272.40 is: 7,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.60 : 9,367.80 = 5,272.40 : x
  2. Step 2: Convert to fraction form
    6,251.60/9,367.80 = 5,272.40/x
  3. Step 3: Cross multiply
    6,251.60x = 9,367.80 × 5,272.40
  4. Step 4: Simplify right side
    6,251.60x = 49,390,788.72
  5. Step 5: Solve for x
    x = 49,390,788.72/6,251.60
  6. Step 6: Final answer
    x = 7,900.50

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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.