Home / 11,027.92-15,218.12-6,312.08

Finding the Fourth Proportional to 11,027.92, 15,218.12 and 6,312.08

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Solution

The fourth proportional to 11,027.92, 15,218.12 and 6,312.08 is: 8,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.92 : 15,218.12 = 6,312.08 : x
  2. Step 2: Convert to fraction form
    11,027.92/15,218.12 = 6,312.08/x
  3. Step 3: Cross multiply
    11,027.92x = 15,218.12 × 6,312.08
  4. Step 4: Simplify right side
    11,027.92x = 96,057,990.89
  5. Step 5: Solve for x
    x = 96,057,990.89/11,027.92
  6. Step 6: Final answer
    x = 8,710.44

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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.