Home / 11,247.66-15,539.85-9,586.62

Finding the Fourth Proportional to 11,247.66, 15,539.85 and 9,586.62

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Solution

The fourth proportional to 11,247.66, 15,539.85 and 9,586.62 is: 13,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.66 : 15,539.85 = 9,586.62 : x
  2. Step 2: Convert to fraction form
    11,247.66/15,539.85 = 9,586.62/x
  3. Step 3: Cross multiply
    11,247.66x = 15,539.85 × 9,586.62
  4. Step 4: Simplify right side
    11,247.66x = 148,974,636.81
  5. Step 5: Solve for x
    x = 148,974,636.81/11,247.66
  6. Step 6: Final answer
    x = 13,244.94

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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.