Home / 11,651.13-16,078.01-6,614.67

Finding the Fourth Proportional to 11,651.13, 16,078.01 and 6,614.67

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Solution

The fourth proportional to 11,651.13, 16,078.01 and 6,614.67 is: 9,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.13 : 16,078.01 = 6,614.67 : x
  2. Step 2: Convert to fraction form
    11,651.13/16,078.01 = 6,614.67/x
  3. Step 3: Cross multiply
    11,651.13x = 16,078.01 × 6,614.67
  4. Step 4: Simplify right side
    11,651.13x = 106,350,730.41
  5. Step 5: Solve for x
    x = 106,350,730.41/11,651.13
  6. Step 6: Final answer
    x = 9,127.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.