Home / 11,555.11-17,339.27-4,891.13

Finding the Fourth Proportional to 11,555.11, 17,339.27 and 4,891.13

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Solution

The fourth proportional to 11,555.11, 17,339.27 and 4,891.13 is: 7,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.11 : 17,339.27 = 4,891.13 : x
  2. Step 2: Convert to fraction form
    11,555.11/17,339.27 = 4,891.13/x
  3. Step 3: Cross multiply
    11,555.11x = 17,339.27 × 4,891.13
  4. Step 4: Simplify right side
    11,555.11x = 84,808,675.08
  5. Step 5: Solve for x
    x = 84,808,675.08/11,555.11
  6. Step 6: Final answer
    x = 7,339.50

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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.