Home / 11,652.13-16,079.39-6,615.67

Finding the Fourth Proportional to 11,652.13, 16,079.39 and 6,615.67

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Solution

The fourth proportional to 11,652.13, 16,079.39 and 6,615.67 is: 9,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.13 : 16,079.39 = 6,615.67 : x
  2. Step 2: Convert to fraction form
    11,652.13/16,079.39 = 6,615.67/x
  3. Step 3: Cross multiply
    11,652.13x = 16,079.39 × 6,615.67
  4. Step 4: Simplify right side
    11,652.13x = 106,375,938.04
  5. Step 5: Solve for x
    x = 106,375,938.04/11,652.13
  6. Step 6: Final answer
    x = 9,129.31

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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.