Home / 11,126.25-15,354.24-6,934.50

Finding the Fourth Proportional to 11,126.25, 15,354.24 and 6,934.50

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Solution

The fourth proportional to 11,126.25, 15,354.24 and 6,934.50 is: 9,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.25 : 15,354.24 = 6,934.50 : x
  2. Step 2: Convert to fraction form
    11,126.25/15,354.24 = 6,934.50/x
  3. Step 3: Cross multiply
    11,126.25x = 15,354.24 × 6,934.50
  4. Step 4: Simplify right side
    11,126.25x = 106,473,977.28
  5. Step 5: Solve for x
    x = 106,473,977.28/11,126.25
  6. Step 6: Final answer
    x = 9,569.62

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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.