Home / 7,112.92-10,670.84-2,499.16

Finding the Fourth Proportional to 7,112.92, 10,670.84 and 2,499.16

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Solution

The fourth proportional to 7,112.92, 10,670.84 and 2,499.16 is: 3,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.92 : 10,670.84 = 2,499.16 : x
  2. Step 2: Convert to fraction form
    7,112.92/10,670.84 = 2,499.16/x
  3. Step 3: Cross multiply
    7,112.92x = 10,670.84 × 2,499.16
  4. Step 4: Simplify right side
    7,112.92x = 26,668,136.49
  5. Step 5: Solve for x
    x = 26,668,136.49/7,112.92
  6. Step 6: Final answer
    x = 3,749.25

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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.