Home / 11,925.18-17,887.78-3,717.18

Finding the Fourth Proportional to 11,925.18, 17,887.78 and 3,717.18

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Solution

The fourth proportional to 11,925.18, 17,887.78 and 3,717.18 is: 5,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.18 : 17,887.78 = 3,717.18 : x
  2. Step 2: Convert to fraction form
    11,925.18/17,887.78 = 3,717.18/x
  3. Step 3: Cross multiply
    11,925.18x = 17,887.78 × 3,717.18
  4. Step 4: Simplify right side
    11,925.18x = 66,492,098.06
  5. Step 5: Solve for x
    x = 66,492,098.06/11,925.18
  6. Step 6: Final answer
    x = 5,575.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.