Home / 11,934.06-16,472.34-7,455.30

Finding the Fourth Proportional to 11,934.06, 16,472.34 and 7,455.30

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Solution

The fourth proportional to 11,934.06, 16,472.34 and 7,455.30 is: 10,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.06 : 16,472.34 = 7,455.30 : x
  2. Step 2: Convert to fraction form
    11,934.06/16,472.34 = 7,455.30/x
  3. Step 3: Cross multiply
    11,934.06x = 16,472.34 × 7,455.30
  4. Step 4: Simplify right side
    11,934.06x = 122,806,236.40
  5. Step 5: Solve for x
    x = 122,806,236.40/11,934.06
  6. Step 6: Final answer
    x = 10,290.40

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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.