Home / 12,507.18-17,262.21-8,036.52

Finding the Fourth Proportional to 12,507.18, 17,262.21 and 8,036.52

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Solution

The fourth proportional to 12,507.18, 17,262.21 and 8,036.52 is: 11,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.18 : 17,262.21 = 8,036.52 : x
  2. Step 2: Convert to fraction form
    12,507.18/17,262.21 = 8,036.52/x
  3. Step 3: Cross multiply
    12,507.18x = 17,262.21 × 8,036.52
  4. Step 4: Simplify right side
    12,507.18x = 138,728,095.91
  5. Step 5: Solve for x
    x = 138,728,095.91/12,507.18
  6. Step 6: Final answer
    x = 11,091.88

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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.