Home / 8,150.27-11,247.53-5,319.45

Finding the Fourth Proportional to 8,150.27, 11,247.53 and 5,319.45

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Solution

The fourth proportional to 8,150.27, 11,247.53 and 5,319.45 is: 7,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.27 : 11,247.53 = 5,319.45 : x
  2. Step 2: Convert to fraction form
    8,150.27/11,247.53 = 5,319.45/x
  3. Step 3: Cross multiply
    8,150.27x = 11,247.53 × 5,319.45
  4. Step 4: Simplify right side
    8,150.27x = 59,830,646.86
  5. Step 5: Solve for x
    x = 59,830,646.86/8,150.27
  6. Step 6: Final answer
    x = 7,340.94

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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.