Home / 9,519.51-13,136.94-5,327.76

Finding the Fourth Proportional to 9,519.51, 13,136.94 and 5,327.76

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Solution

The fourth proportional to 9,519.51, 13,136.94 and 5,327.76 is: 7,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.51 : 13,136.94 = 5,327.76 : x
  2. Step 2: Convert to fraction form
    9,519.51/13,136.94 = 5,327.76/x
  3. Step 3: Cross multiply
    9,519.51x = 13,136.94 × 5,327.76
  4. Step 4: Simplify right side
    9,519.51x = 69,990,463.45
  5. Step 5: Solve for x
    x = 69,990,463.45/9,519.51
  6. Step 6: Final answer
    x = 7,352.32

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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.