Home / 9,514.80-13,128.66-5,534.46

Finding the Fourth Proportional to 9,514.80, 13,128.66 and 5,534.46

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Solution

The fourth proportional to 9,514.80, 13,128.66 and 5,534.46 is: 7,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.80 : 13,128.66 = 5,534.46 : x
  2. Step 2: Convert to fraction form
    9,514.80/13,128.66 = 5,534.46/x
  3. Step 3: Cross multiply
    9,514.80x = 13,128.66 × 5,534.46
  4. Step 4: Simplify right side
    9,514.80x = 72,660,043.62
  5. Step 5: Solve for x
    x = 72,660,043.62/9,514.80
  6. Step 6: Final answer
    x = 7,636.53

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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.