Home / 11,992.48-16,551.12-7,275.52

Finding the Fourth Proportional to 11,992.48, 16,551.12 and 7,275.52

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Solution

The fourth proportional to 11,992.48, 16,551.12 and 7,275.52 is: 10,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.48 : 16,551.12 = 7,275.52 : x
  2. Step 2: Convert to fraction form
    11,992.48/16,551.12 = 7,275.52/x
  3. Step 3: Cross multiply
    11,992.48x = 16,551.12 × 7,275.52
  4. Step 4: Simplify right side
    11,992.48x = 120,418,004.58
  5. Step 5: Solve for x
    x = 120,418,004.58/11,992.48
  6. Step 6: Final answer
    x = 10,041.13

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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.