Home / 11,246.45-15,521.52-6,772.61

Finding the Fourth Proportional to 11,246.45, 15,521.52 and 6,772.61

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Solution

The fourth proportional to 11,246.45, 15,521.52 and 6,772.61 is: 9,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.45 : 15,521.52 = 6,772.61 : x
  2. Step 2: Convert to fraction form
    11,246.45/15,521.52 = 6,772.61/x
  3. Step 3: Cross multiply
    11,246.45x = 15,521.52 × 6,772.61
  4. Step 4: Simplify right side
    11,246.45x = 105,121,265.77
  5. Step 5: Solve for x
    x = 105,121,265.77/11,246.45
  6. Step 6: Final answer
    x = 9,347.07

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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.