Home / 12,262.08-16,921.92-7,548.48

Finding the Fourth Proportional to 12,262.08, 16,921.92 and 7,548.48

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Solution

The fourth proportional to 12,262.08, 16,921.92 and 7,548.48 is: 10,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.08 : 16,921.92 = 7,548.48 : x
  2. Step 2: Convert to fraction form
    12,262.08/16,921.92 = 7,548.48/x
  3. Step 3: Cross multiply
    12,262.08x = 16,921.92 × 7,548.48
  4. Step 4: Simplify right side
    12,262.08x = 127,734,774.68
  5. Step 5: Solve for x
    x = 127,734,774.68/12,262.08
  6. Step 6: Final answer
    x = 10,417.06

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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.