Home / 11,938.74-16,475.58-6,634.14

Finding the Fourth Proportional to 11,938.74, 16,475.58 and 6,634.14

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Solution

The fourth proportional to 11,938.74, 16,475.58 and 6,634.14 is: 9,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.74 : 16,475.58 = 6,634.14 : x
  2. Step 2: Convert to fraction form
    11,938.74/16,475.58 = 6,634.14/x
  3. Step 3: Cross multiply
    11,938.74x = 16,475.58 × 6,634.14
  4. Step 4: Simplify right side
    11,938.74x = 109,301,304.30
  5. Step 5: Solve for x
    x = 109,301,304.30/11,938.74
  6. Step 6: Final answer
    x = 9,155.18

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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.