Home / 11,001.25-15,181.73-6,285.63

Finding the Fourth Proportional to 11,001.25, 15,181.73 and 6,285.63

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Solution

The fourth proportional to 11,001.25, 15,181.73 and 6,285.63 is: 8,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.25 : 15,181.73 = 6,285.63 : x
  2. Step 2: Convert to fraction form
    11,001.25/15,181.73 = 6,285.63/x
  3. Step 3: Cross multiply
    11,001.25x = 15,181.73 × 6,285.63
  4. Step 4: Simplify right side
    11,001.25x = 95,426,737.54
  5. Step 5: Solve for x
    x = 95,426,737.54/11,001.25
  6. Step 6: Final answer
    x = 8,674.17

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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.