Home / 11,080.32-15,276.48-9,184.96

Finding the Fourth Proportional to 11,080.32, 15,276.48 and 9,184.96

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Solution

The fourth proportional to 11,080.32, 15,276.48 and 9,184.96 is: 12,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.32 : 15,276.48 = 9,184.96 : x
  2. Step 2: Convert to fraction form
    11,080.32/15,276.48 = 9,184.96/x
  3. Step 3: Cross multiply
    11,080.32x = 15,276.48 × 9,184.96
  4. Step 4: Simplify right side
    11,080.32x = 140,313,857.74
  5. Step 5: Solve for x
    x = 140,313,857.74/11,080.32
  6. Step 6: Final answer
    x = 12,663.34

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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.