Home / 11,252.58-15,528.18-6,216.72

Finding the Fourth Proportional to 11,252.58, 15,528.18 and 6,216.72

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Solution

The fourth proportional to 11,252.58, 15,528.18 and 6,216.72 is: 8,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.58 : 15,528.18 = 6,216.72 : x
  2. Step 2: Convert to fraction form
    11,252.58/15,528.18 = 6,216.72/x
  3. Step 3: Cross multiply
    11,252.58x = 15,528.18 × 6,216.72
  4. Step 4: Simplify right side
    11,252.58x = 96,534,347.17
  5. Step 5: Solve for x
    x = 96,534,347.17/11,252.58
  6. Step 6: Final answer
    x = 8,578.86

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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.