Home / 11,189.66-15,441.40-6,153.87

Finding the Fourth Proportional to 11,189.66, 15,441.40 and 6,153.87

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Solution

The fourth proportional to 11,189.66, 15,441.40 and 6,153.87 is: 8,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.66 : 15,441.40 = 6,153.87 : x
  2. Step 2: Convert to fraction form
    11,189.66/15,441.40 = 6,153.87/x
  3. Step 3: Cross multiply
    11,189.66x = 15,441.40 × 6,153.87
  4. Step 4: Simplify right side
    11,189.66x = 95,024,352.83
  5. Step 5: Solve for x
    x = 95,024,352.83/11,189.66
  6. Step 6: Final answer
    x = 8,492.16

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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.