Home / 10,971.75-15,141.02-6,003.75

Finding the Fourth Proportional to 10,971.75, 15,141.02 and 6,003.75

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Solution

The fourth proportional to 10,971.75, 15,141.02 and 6,003.75 is: 8,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.75 : 15,141.02 = 6,003.75 : x
  2. Step 2: Convert to fraction form
    10,971.75/15,141.02 = 6,003.75/x
  3. Step 3: Cross multiply
    10,971.75x = 15,141.02 × 6,003.75
  4. Step 4: Simplify right side
    10,971.75x = 90,902,898.83
  5. Step 5: Solve for x
    x = 90,902,898.83/10,971.75
  6. Step 6: Final answer
    x = 8,285.18

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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.