Home / 11,348.42-15,658.50-6,631.79

Finding the Fourth Proportional to 11,348.42, 15,658.50 and 6,631.79

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Solution

The fourth proportional to 11,348.42, 15,658.50 and 6,631.79 is: 9,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.42 : 15,658.50 = 6,631.79 : x
  2. Step 2: Convert to fraction form
    11,348.42/15,658.50 = 6,631.79/x
  3. Step 3: Cross multiply
    11,348.42x = 15,658.50 × 6,631.79
  4. Step 4: Simplify right side
    11,348.42x = 103,843,883.72
  5. Step 5: Solve for x
    x = 103,843,883.72/11,348.42
  6. Step 6: Final answer
    x = 9,150.51

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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.