Home / 10,718.10-16,076.79-4,145.67

Finding the Fourth Proportional to 10,718.10, 16,076.79 and 4,145.67

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Solution

The fourth proportional to 10,718.10, 16,076.79 and 4,145.67 is: 6,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.10 : 16,076.79 = 4,145.67 : x
  2. Step 2: Convert to fraction form
    10,718.10/16,076.79 = 4,145.67/x
  3. Step 3: Cross multiply
    10,718.10x = 16,076.79 × 4,145.67
  4. Step 4: Simplify right side
    10,718.10x = 66,649,066.00
  5. Step 5: Solve for x
    x = 66,649,066.00/10,718.10
  6. Step 6: Final answer
    x = 6,218.37

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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.