Home / 13,193.04-18,197.64-8,483.28

Finding the Fourth Proportional to 13,193.04, 18,197.64 and 8,483.28

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Solution

The fourth proportional to 13,193.04, 18,197.64 and 8,483.28 is: 11,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.04 : 18,197.64 = 8,483.28 : x
  2. Step 2: Convert to fraction form
    13,193.04/18,197.64 = 8,483.28/x
  3. Step 3: Cross multiply
    13,193.04x = 18,197.64 × 8,483.28
  4. Step 4: Simplify right side
    13,193.04x = 154,375,675.46
  5. Step 5: Solve for x
    x = 154,375,675.46/13,193.04
  6. Step 6: Final answer
    x = 11,701.30

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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.