Home / 10,054.92-15,135.24-9,168.96

Finding the Fourth Proportional to 10,054.92, 15,135.24 and 9,168.96

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Solution

The fourth proportional to 10,054.92, 15,135.24 and 9,168.96 is: 13,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.92 : 15,135.24 = 9,168.96 : x
  2. Step 2: Convert to fraction form
    10,054.92/15,135.24 = 9,168.96/x
  3. Step 3: Cross multiply
    10,054.92x = 15,135.24 × 9,168.96
  4. Step 4: Simplify right side
    10,054.92x = 138,774,410.15
  5. Step 5: Solve for x
    x = 138,774,410.15/10,054.92
  6. Step 6: Final answer
    x = 13,801.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.