Home / 11,051.54-15,250.30-7,018.06

Finding the Fourth Proportional to 11,051.54, 15,250.30 and 7,018.06

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Solution

The fourth proportional to 11,051.54, 15,250.30 and 7,018.06 is: 9,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.54 : 15,250.30 = 7,018.06 : x
  2. Step 2: Convert to fraction form
    11,051.54/15,250.30 = 7,018.06/x
  3. Step 3: Cross multiply
    11,051.54x = 15,250.30 × 7,018.06
  4. Step 4: Simplify right side
    11,051.54x = 107,027,520.42
  5. Step 5: Solve for x
    x = 107,027,520.42/11,051.54
  6. Step 6: Final answer
    x = 9,684.40

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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.