Home / 11,455.65-17,165.61-7,952.49

Finding the Fourth Proportional to 11,455.65, 17,165.61 and 7,952.49

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Solution

The fourth proportional to 11,455.65, 17,165.61 and 7,952.49 is: 11,916.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.65 : 17,165.61 = 7,952.49 : x
  2. Step 2: Convert to fraction form
    11,455.65/17,165.61 = 7,952.49/x
  3. Step 3: Cross multiply
    11,455.65x = 17,165.61 × 7,952.49
  4. Step 4: Simplify right side
    11,455.65x = 136,509,341.87
  5. Step 5: Solve for x
    x = 136,509,341.87/11,455.65
  6. Step 6: Final answer
    x = 11,916.33

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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.