Home / 11,366.14-15,689.56-6,651.94

Finding the Fourth Proportional to 11,366.14, 15,689.56 and 6,651.94

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Solution

The fourth proportional to 11,366.14, 15,689.56 and 6,651.94 is: 9,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.14 : 15,689.56 = 6,651.94 : x
  2. Step 2: Convert to fraction form
    11,366.14/15,689.56 = 6,651.94/x
  3. Step 3: Cross multiply
    11,366.14x = 15,689.56 × 6,651.94
  4. Step 4: Simplify right side
    11,366.14x = 104,366,011.75
  5. Step 5: Solve for x
    x = 104,366,011.75/11,366.14
  6. Step 6: Final answer
    x = 9,182.19

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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.