Home / 8,456.22-11,668.32-7,516.08

Finding the Fourth Proportional to 8,456.22, 11,668.32 and 7,516.08

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Solution

The fourth proportional to 8,456.22, 11,668.32 and 7,516.08 is: 10,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.22 : 11,668.32 = 7,516.08 : x
  2. Step 2: Convert to fraction form
    8,456.22/11,668.32 = 7,516.08/x
  3. Step 3: Cross multiply
    8,456.22x = 11,668.32 × 7,516.08
  4. Step 4: Simplify right side
    8,456.22x = 87,700,026.59
  5. Step 5: Solve for x
    x = 87,700,026.59/8,456.22
  6. Step 6: Final answer
    x = 10,371.07

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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.