Home / 9,519.14-13,133.22-5,539.40

Finding the Fourth Proportional to 9,519.14, 13,133.22 and 5,539.40

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Solution

The fourth proportional to 9,519.14, 13,133.22 and 5,539.40 is: 7,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.14 : 13,133.22 = 5,539.40 : x
  2. Step 2: Convert to fraction form
    9,519.14/13,133.22 = 5,539.40/x
  3. Step 3: Cross multiply
    9,519.14x = 13,133.22 × 5,539.40
  4. Step 4: Simplify right side
    9,519.14x = 72,750,158.87
  5. Step 5: Solve for x
    x = 72,750,158.87/9,519.14
  6. Step 6: Final answer
    x = 7,642.51

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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.