Home / 8,187.03-12,270.27-3,501.53

Finding the Fourth Proportional to 8,187.03, 12,270.27 and 3,501.53

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Solution

The fourth proportional to 8,187.03, 12,270.27 and 3,501.53 is: 5,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.03 : 12,270.27 = 3,501.53 : x
  2. Step 2: Convert to fraction form
    8,187.03/12,270.27 = 3,501.53/x
  3. Step 3: Cross multiply
    8,187.03x = 12,270.27 × 3,501.53
  4. Step 4: Simplify right side
    8,187.03x = 42,964,671.97
  5. Step 5: Solve for x
    x = 42,964,671.97/8,187.03
  6. Step 6: Final answer
    x = 5,247.90

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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.