Home / 11,559.51-17,339.13-4,638.87

Finding the Fourth Proportional to 11,559.51, 17,339.13 and 4,638.87

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Solution

The fourth proportional to 11,559.51, 17,339.13 and 4,638.87 is: 6,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.51 : 17,339.13 = 4,638.87 : x
  2. Step 2: Convert to fraction form
    11,559.51/17,339.13 = 4,638.87/x
  3. Step 3: Cross multiply
    11,559.51x = 17,339.13 × 4,638.87
  4. Step 4: Simplify right side
    11,559.51x = 80,433,969.98
  5. Step 5: Solve for x
    x = 80,433,969.98/11,559.51
  6. Step 6: Final answer
    x = 6,958.25

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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.