Home / 11,126.94-15,359.04-6,881.25

Finding the Fourth Proportional to 11,126.94, 15,359.04 and 6,881.25

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Solution

The fourth proportional to 11,126.94, 15,359.04 and 6,881.25 is: 9,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.94 : 15,359.04 = 6,881.25 : x
  2. Step 2: Convert to fraction form
    11,126.94/15,359.04 = 6,881.25/x
  3. Step 3: Cross multiply
    11,126.94x = 15,359.04 × 6,881.25
  4. Step 4: Simplify right side
    11,126.94x = 105,689,394
  5. Step 5: Solve for x
    x = 105,689,394/11,126.94
  6. Step 6: Final answer
    x = 9,498.51

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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.