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Finding the Fourth Proportional to 11,043.95, 15,242.04 and 6,328.13

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Solution

The fourth proportional to 11,043.95, 15,242.04 and 6,328.13 is: 8,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.95 : 15,242.04 = 6,328.13 : x
  2. Step 2: Convert to fraction form
    11,043.95/15,242.04 = 6,328.13/x
  3. Step 3: Cross multiply
    11,043.95x = 15,242.04 × 6,328.13
  4. Step 4: Simplify right side
    11,043.95x = 96,453,534.38
  5. Step 5: Solve for x
    x = 96,453,534.38/11,043.95
  6. Step 6: Final answer
    x = 8,733.61

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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.