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Finding the Fourth Proportional to 11,417.94, 17,132.04 and 7,256.87

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Solution

The fourth proportional to 11,417.94, 17,132.04 and 7,256.87 is: 10,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.94 : 17,132.04 = 7,256.87 : x
  2. Step 2: Convert to fraction form
    11,417.94/17,132.04 = 7,256.87/x
  3. Step 3: Cross multiply
    11,417.94x = 17,132.04 × 7,256.87
  4. Step 4: Simplify right side
    11,417.94x = 124,324,987.11
  5. Step 5: Solve for x
    x = 124,324,987.11/11,417.94
  6. Step 6: Final answer
    x = 10,888.57

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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.