Home / 11,252.67-15,528.71-6,776.61

Finding the Fourth Proportional to 11,252.67, 15,528.71 and 6,776.61

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Solution

The fourth proportional to 11,252.67, 15,528.71 and 6,776.61 is: 9,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.67 : 15,528.71 = 6,776.61 : x
  2. Step 2: Convert to fraction form
    11,252.67/15,528.71 = 6,776.61/x
  3. Step 3: Cross multiply
    11,252.67x = 15,528.71 × 6,776.61
  4. Step 4: Simplify right side
    11,252.67x = 105,232,057.53
  5. Step 5: Solve for x
    x = 105,232,057.53/11,252.67
  6. Step 6: Final answer
    x = 9,351.74

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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.