Home / 9,519.63-13,138.45-5,542.93

Finding the Fourth Proportional to 9,519.63, 13,138.45 and 5,542.93

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Solution

The fourth proportional to 9,519.63, 13,138.45 and 5,542.93 is: 7,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.63 : 13,138.45 = 5,542.93 : x
  2. Step 2: Convert to fraction form
    9,519.63/13,138.45 = 5,542.93/x
  3. Step 3: Cross multiply
    9,519.63x = 13,138.45 × 5,542.93
  4. Step 4: Simplify right side
    9,519.63x = 72,825,542.40
  5. Step 5: Solve for x
    x = 72,825,542.40/9,519.63
  6. Step 6: Final answer
    x = 7,650.04

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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.