Home / 11,490.96-15,861.51-7,244.94

Finding the Fourth Proportional to 11,490.96, 15,861.51 and 7,244.94

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Solution

The fourth proportional to 11,490.96, 15,861.51 and 7,244.94 is: 10,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.96 : 15,861.51 = 7,244.94 : x
  2. Step 2: Convert to fraction form
    11,490.96/15,861.51 = 7,244.94/x
  3. Step 3: Cross multiply
    11,490.96x = 15,861.51 × 7,244.94
  4. Step 4: Simplify right side
    11,490.96x = 114,915,688.26
  5. Step 5: Solve for x
    x = 114,915,688.26/11,490.96
  6. Step 6: Final answer
    x = 10,000.53

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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.