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Finding the Fourth Proportional to 12,503.40, 17,254.66 and 6,914.44

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Solution

The fourth proportional to 12,503.40, 17,254.66 and 6,914.44 is: 9,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.40 : 17,254.66 = 6,914.44 : x
  2. Step 2: Convert to fraction form
    12,503.40/17,254.66 = 6,914.44/x
  3. Step 3: Cross multiply
    12,503.40x = 17,254.66 × 6,914.44
  4. Step 4: Simplify right side
    12,503.40x = 119,306,311.29
  5. Step 5: Solve for x
    x = 119,306,311.29/12,503.40
  6. Step 6: Final answer
    x = 9,541.91

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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.