Home / 11,032.32-15,212.16-8,042.88

Finding the Fourth Proportional to 11,032.32, 15,212.16 and 8,042.88

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Solution

The fourth proportional to 11,032.32, 15,212.16 and 8,042.88 is: 11,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,032.32 : 15,212.16 = 8,042.88 : x
  2. Step 2: Convert to fraction form
    11,032.32/15,212.16 = 8,042.88/x
  3. Step 3: Cross multiply
    11,032.32x = 15,212.16 × 8,042.88
  4. Step 4: Simplify right side
    11,032.32x = 122,349,577.42
  5. Step 5: Solve for x
    x = 122,349,577.42/11,032.32
  6. Step 6: Final answer
    x = 11,090.10

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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.