Home / 9,519.04-13,135.80-5,327.56

Finding the Fourth Proportional to 9,519.04, 13,135.80 and 5,327.56

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Solution

The fourth proportional to 9,519.04, 13,135.80 and 5,327.56 is: 7,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.04 : 13,135.80 = 5,327.56 : x
  2. Step 2: Convert to fraction form
    9,519.04/13,135.80 = 5,327.56/x
  3. Step 3: Cross multiply
    9,519.04x = 13,135.80 × 5,327.56
  4. Step 4: Simplify right side
    9,519.04x = 69,981,762.65
  5. Step 5: Solve for x
    x = 69,981,762.65/9,519.04
  6. Step 6: Final answer
    x = 7,351.77

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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.