Home / 8,913.36-13,363.56-5,453.04

Finding the Fourth Proportional to 8,913.36, 13,363.56 and 5,453.04

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Solution

The fourth proportional to 8,913.36, 13,363.56 and 5,453.04 is: 8,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.36 : 13,363.56 = 5,453.04 : x
  2. Step 2: Convert to fraction form
    8,913.36/13,363.56 = 5,453.04/x
  3. Step 3: Cross multiply
    8,913.36x = 13,363.56 × 5,453.04
  4. Step 4: Simplify right side
    8,913.36x = 72,872,027.22
  5. Step 5: Solve for x
    x = 72,872,027.22/8,913.36
  6. Step 6: Final answer
    x = 8,175.60

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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.