Home / 27,688.10-41,538.51-7,966.82

Finding the Fourth Proportional to 27,688.10, 41,538.51 and 7,966.82

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Solution

The fourth proportional to 27,688.10, 41,538.51 and 7,966.82 is: 11,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.10 : 41,538.51 = 7,966.82 : x
  2. Step 2: Convert to fraction form
    27,688.10/41,538.51 = 7,966.82/x
  3. Step 3: Cross multiply
    27,688.10x = 41,538.51 × 7,966.82
  4. Step 4: Simplify right side
    27,688.10x = 330,929,832.24
  5. Step 5: Solve for x
    x = 330,929,832.24/27,688.10
  6. Step 6: Final answer
    x = 11,952.06

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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.