Home / 7,584.13-11,378.90-3,888.10

Finding the Fourth Proportional to 7,584.13, 11,378.90 and 3,888.10

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Solution

The fourth proportional to 7,584.13, 11,378.90 and 3,888.10 is: 5,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.13 : 11,378.90 = 3,888.10 : x
  2. Step 2: Convert to fraction form
    7,584.13/11,378.90 = 3,888.10/x
  3. Step 3: Cross multiply
    7,584.13x = 11,378.90 × 3,888.10
  4. Step 4: Simplify right side
    7,584.13x = 44,242,301.09
  5. Step 5: Solve for x
    x = 44,242,301.09/7,584.13
  6. Step 6: Final answer
    x = 5,833.54

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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.