Home / 9,913.67-13,682.01-5,934.79

Finding the Fourth Proportional to 9,913.67, 13,682.01 and 5,934.79

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Solution

The fourth proportional to 9,913.67, 13,682.01 and 5,934.79 is: 8,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.67 : 13,682.01 = 5,934.79 : x
  2. Step 2: Convert to fraction form
    9,913.67/13,682.01 = 5,934.79/x
  3. Step 3: Cross multiply
    9,913.67x = 13,682.01 × 5,934.79
  4. Step 4: Simplify right side
    9,913.67x = 81,199,818.52
  5. Step 5: Solve for x
    x = 81,199,818.52/9,913.67
  6. Step 6: Final answer
    x = 8,190.69

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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.