Home / 9,519.59-13,137.12-5,327.84

Finding the Fourth Proportional to 9,519.59, 13,137.12 and 5,327.84

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Solution

The fourth proportional to 9,519.59, 13,137.12 and 5,327.84 is: 7,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.59 : 13,137.12 = 5,327.84 : x
  2. Step 2: Convert to fraction form
    9,519.59/13,137.12 = 5,327.84/x
  3. Step 3: Cross multiply
    9,519.59x = 13,137.12 × 5,327.84
  4. Step 4: Simplify right side
    9,519.59x = 69,992,506.26
  5. Step 5: Solve for x
    x = 69,992,506.26/9,519.59
  6. Step 6: Final answer
    x = 7,352.47

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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.