Home / 11,514.16-15,891.45-7,267.54

Finding the Fourth Proportional to 11,514.16, 15,891.45 and 7,267.54

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Solution

The fourth proportional to 11,514.16, 15,891.45 and 7,267.54 is: 10,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.16 : 15,891.45 = 7,267.54 : x
  2. Step 2: Convert to fraction form
    11,514.16/15,891.45 = 7,267.54/x
  3. Step 3: Cross multiply
    11,514.16x = 15,891.45 × 7,267.54
  4. Step 4: Simplify right side
    11,514.16x = 115,491,669.08
  5. Step 5: Solve for x
    x = 115,491,669.08/11,514.16
  6. Step 6: Final answer
    x = 10,030.40

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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.