Home / 9,660.90-13,325.85-6,634.56

Finding the Fourth Proportional to 9,660.90, 13,325.85 and 6,634.56

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Solution

The fourth proportional to 9,660.90, 13,325.85 and 6,634.56 is: 9,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.90 : 13,325.85 = 6,634.56 : x
  2. Step 2: Convert to fraction form
    9,660.90/13,325.85 = 6,634.56/x
  3. Step 3: Cross multiply
    9,660.90x = 13,325.85 × 6,634.56
  4. Step 4: Simplify right side
    9,660.90x = 88,411,151.38
  5. Step 5: Solve for x
    x = 88,411,151.38/9,660.90
  6. Step 6: Final answer
    x = 9,151.44

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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.