Home / 13,249.28-18,283.15-7,584.07

Finding the Fourth Proportional to 13,249.28, 18,283.15 and 7,584.07

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Solution

The fourth proportional to 13,249.28, 18,283.15 and 7,584.07 is: 10,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.28 : 18,283.15 = 7,584.07 : x
  2. Step 2: Convert to fraction form
    13,249.28/18,283.15 = 7,584.07/x
  3. Step 3: Cross multiply
    13,249.28x = 18,283.15 × 7,584.07
  4. Step 4: Simplify right side
    13,249.28x = 138,660,651.50
  5. Step 5: Solve for x
    x = 138,660,651.50/13,249.28
  6. Step 6: Final answer
    x = 10,465.52

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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.