Home / 11,534.49-15,920.19-7,553.29

Finding the Fourth Proportional to 11,534.49, 15,920.19 and 7,553.29

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Solution

The fourth proportional to 11,534.49, 15,920.19 and 7,553.29 is: 10,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,534.49 : 15,920.19 = 7,553.29 : x
  2. Step 2: Convert to fraction form
    11,534.49/15,920.19 = 7,553.29/x
  3. Step 3: Cross multiply
    11,534.49x = 15,920.19 × 7,553.29
  4. Step 4: Simplify right side
    11,534.49x = 120,249,811.93
  5. Step 5: Solve for x
    x = 120,249,811.93/11,534.49
  6. Step 6: Final answer
    x = 10,425.24

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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.