Home / 8,816.05-13,214.85-2,970.64

Finding the Fourth Proportional to 8,816.05, 13,214.85 and 2,970.64

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Solution

The fourth proportional to 8,816.05, 13,214.85 and 2,970.64 is: 4,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.05 : 13,214.85 = 2,970.64 : x
  2. Step 2: Convert to fraction form
    8,816.05/13,214.85 = 2,970.64/x
  3. Step 3: Cross multiply
    8,816.05x = 13,214.85 × 2,970.64
  4. Step 4: Simplify right side
    8,816.05x = 39,256,562.00
  5. Step 5: Solve for x
    x = 39,256,562.00/8,816.05
  6. Step 6: Final answer
    x = 4,452.85

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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.