Home / 9,497.52-13,104.36-5,518.80

Finding the Fourth Proportional to 9,497.52, 13,104.36 and 5,518.80

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Solution

The fourth proportional to 9,497.52, 13,104.36 and 5,518.80 is: 7,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,497.52 : 13,104.36 = 5,518.80 : x
  2. Step 2: Convert to fraction form
    9,497.52/13,104.36 = 5,518.80/x
  3. Step 3: Cross multiply
    9,497.52x = 13,104.36 × 5,518.80
  4. Step 4: Simplify right side
    9,497.52x = 72,320,341.97
  5. Step 5: Solve for x
    x = 72,320,341.97/9,497.52
  6. Step 6: Final answer
    x = 7,614.66

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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.