Home / 7,250.10-10,867.05-4,131.60

Finding the Fourth Proportional to 7,250.10, 10,867.05 and 4,131.60

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Solution

The fourth proportional to 7,250.10, 10,867.05 and 4,131.60 is: 6,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.10 : 10,867.05 = 4,131.60 : x
  2. Step 2: Convert to fraction form
    7,250.10/10,867.05 = 4,131.60/x
  3. Step 3: Cross multiply
    7,250.10x = 10,867.05 × 4,131.60
  4. Step 4: Simplify right side
    7,250.10x = 44,898,303.78
  5. Step 5: Solve for x
    x = 44,898,303.78/7,250.10
  6. Step 6: Final answer
    x = 6,192.78

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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.