Home / 12,932.72-17,846.36-7,627.76

Finding the Fourth Proportional to 12,932.72, 17,846.36 and 7,627.76

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Solution

The fourth proportional to 12,932.72, 17,846.36 and 7,627.76 is: 10,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.72 : 17,846.36 = 7,627.76 : x
  2. Step 2: Convert to fraction form
    12,932.72/17,846.36 = 7,627.76/x
  3. Step 3: Cross multiply
    12,932.72x = 17,846.36 × 7,627.76
  4. Step 4: Simplify right side
    12,932.72x = 136,127,750.95
  5. Step 5: Solve for x
    x = 136,127,750.95/12,932.72
  6. Step 6: Final answer
    x = 10,525.84

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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.