Home / 7,832.75-11,749.13-5,987.16

Finding the Fourth Proportional to 7,832.75, 11,749.13 and 5,987.16

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Solution

The fourth proportional to 7,832.75, 11,749.13 and 5,987.16 is: 8,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.75 : 11,749.13 = 5,987.16 : x
  2. Step 2: Convert to fraction form
    7,832.75/11,749.13 = 5,987.16/x
  3. Step 3: Cross multiply
    7,832.75x = 11,749.13 × 5,987.16
  4. Step 4: Simplify right side
    7,832.75x = 70,343,891.24
  5. Step 5: Solve for x
    x = 70,343,891.24/7,832.75
  6. Step 6: Final answer
    x = 8,980.75

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Similar ratio
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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.