Home / 11,586.37-15,989.15-6,281.19

Finding the Fourth Proportional to 11,586.37, 15,989.15 and 6,281.19

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Solution

The fourth proportional to 11,586.37, 15,989.15 and 6,281.19 is: 8,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.37 : 15,989.15 = 6,281.19 : x
  2. Step 2: Convert to fraction form
    11,586.37/15,989.15 = 6,281.19/x
  3. Step 3: Cross multiply
    11,586.37x = 15,989.15 × 6,281.19
  4. Step 4: Simplify right side
    11,586.37x = 100,430,859.82
  5. Step 5: Solve for x
    x = 100,430,859.82/11,586.37
  6. Step 6: Final answer
    x = 8,668.02

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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.