Home / 11,145.12-16,717.92-5,302.32

Finding the Fourth Proportional to 11,145.12, 16,717.92 and 5,302.32

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Solution

The fourth proportional to 11,145.12, 16,717.92 and 5,302.32 is: 7,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.12 : 16,717.92 = 5,302.32 : x
  2. Step 2: Convert to fraction form
    11,145.12/16,717.92 = 5,302.32/x
  3. Step 3: Cross multiply
    11,145.12x = 16,717.92 × 5,302.32
  4. Step 4: Simplify right side
    11,145.12x = 88,643,761.57
  5. Step 5: Solve for x
    x = 88,643,761.57/11,145.12
  6. Step 6: Final answer
    x = 7,953.59

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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.