Home / 8,785.48-13,173.36-2,940.52

Finding the Fourth Proportional to 8,785.48, 13,173.36 and 2,940.52

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Solution

The fourth proportional to 8,785.48, 13,173.36 and 2,940.52 is: 4,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.48 : 13,173.36 = 2,940.52 : x
  2. Step 2: Convert to fraction form
    8,785.48/13,173.36 = 2,940.52/x
  3. Step 3: Cross multiply
    8,785.48x = 13,173.36 × 2,940.52
  4. Step 4: Simplify right side
    8,785.48x = 38,736,528.55
  5. Step 5: Solve for x
    x = 38,736,528.55/8,785.48
  6. Step 6: Final answer
    x = 4,409.15

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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.