Home / 7,479.04-11,218.59-3,529.03

Finding the Fourth Proportional to 7,479.04, 11,218.59 and 3,529.03

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Solution

The fourth proportional to 7,479.04, 11,218.59 and 3,529.03 is: 5,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.04 : 11,218.59 = 3,529.03 : x
  2. Step 2: Convert to fraction form
    7,479.04/11,218.59 = 3,529.03/x
  3. Step 3: Cross multiply
    7,479.04x = 11,218.59 × 3,529.03
  4. Step 4: Simplify right side
    7,479.04x = 39,590,740.67
  5. Step 5: Solve for x
    x = 39,590,740.67/7,479.04
  6. Step 6: Final answer
    x = 5,293.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.