Home / 7,231.60-10,847.40-4,898.80

Finding the Fourth Proportional to 7,231.60, 10,847.40 and 4,898.80

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Solution

The fourth proportional to 7,231.60, 10,847.40 and 4,898.80 is: 7,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.60 : 10,847.40 = 4,898.80 : x
  2. Step 2: Convert to fraction form
    7,231.60/10,847.40 = 4,898.80/x
  3. Step 3: Cross multiply
    7,231.60x = 10,847.40 × 4,898.80
  4. Step 4: Simplify right side
    7,231.60x = 53,139,243.12
  5. Step 5: Solve for x
    x = 53,139,243.12/7,231.60
  6. Step 6: Final answer
    x = 7,348.20

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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.