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Finding the Fourth Proportional to 11,153.03, 15,392.48 and 6,373.74

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Solution

The fourth proportional to 11,153.03, 15,392.48 and 6,373.74 is: 8,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.03 : 15,392.48 = 6,373.74 : x
  2. Step 2: Convert to fraction form
    11,153.03/15,392.48 = 6,373.74/x
  3. Step 3: Cross multiply
    11,153.03x = 15,392.48 × 6,373.74
  4. Step 4: Simplify right side
    11,153.03x = 98,107,633.61
  5. Step 5: Solve for x
    x = 98,107,633.61/11,153.03
  6. Step 6: Final answer
    x = 8,796.50

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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.