Home / 9,519.30-13,137.06-5,327.58

Finding the Fourth Proportional to 9,519.30, 13,137.06 and 5,327.58

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Solution

The fourth proportional to 9,519.30, 13,137.06 and 5,327.58 is: 7,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.30 : 13,137.06 = 5,327.58 : x
  2. Step 2: Convert to fraction form
    9,519.30/13,137.06 = 5,327.58/x
  3. Step 3: Cross multiply
    9,519.30x = 13,137.06 × 5,327.58
  4. Step 4: Simplify right side
    9,519.30x = 69,988,738.11
  5. Step 5: Solve for x
    x = 69,988,738.11/9,519.30
  6. Step 6: Final answer
    x = 7,352.30

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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.