Home / 11,216.52-15,468.30-8,864.28

Finding the Fourth Proportional to 11,216.52, 15,468.30 and 8,864.28

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Solution

The fourth proportional to 11,216.52, 15,468.30 and 8,864.28 is: 12,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.52 : 15,468.30 = 8,864.28 : x
  2. Step 2: Convert to fraction form
    11,216.52/15,468.30 = 8,864.28/x
  3. Step 3: Cross multiply
    11,216.52x = 15,468.30 × 8,864.28
  4. Step 4: Simplify right side
    11,216.52x = 137,115,342.32
  5. Step 5: Solve for x
    x = 137,115,342.32/11,216.52
  6. Step 6: Final answer
    x = 12,224.41

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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.