Home / 9,558.40-13,191.24-7,196.80

Finding the Fourth Proportional to 9,558.40, 13,191.24 and 7,196.80

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Solution

The fourth proportional to 9,558.40, 13,191.24 and 7,196.80 is: 9,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.40 : 13,191.24 = 7,196.80 : x
  2. Step 2: Convert to fraction form
    9,558.40/13,191.24 = 7,196.80/x
  3. Step 3: Cross multiply
    9,558.40x = 13,191.24 × 7,196.80
  4. Step 4: Simplify right side
    9,558.40x = 94,934,716.03
  5. Step 5: Solve for x
    x = 94,934,716.03/9,558.40
  6. Step 6: Final answer
    x = 9,932.07

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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.