Home / 11,615.26-16,031.10-6,579.76

Finding the Fourth Proportional to 11,615.26, 16,031.10 and 6,579.76

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Solution

The fourth proportional to 11,615.26, 16,031.10 and 6,579.76 is: 9,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.26 : 16,031.10 = 6,579.76 : x
  2. Step 2: Convert to fraction form
    11,615.26/16,031.10 = 6,579.76/x
  3. Step 3: Cross multiply
    11,615.26x = 16,031.10 × 6,579.76
  4. Step 4: Simplify right side
    11,615.26x = 105,480,790.54
  5. Step 5: Solve for x
    x = 105,480,790.54/11,615.26
  6. Step 6: Final answer
    x = 9,081.23

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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.