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Finding the Fourth Proportional to 8,466.40, 12,711.93 and 6,252.07

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Solution

The fourth proportional to 8,466.40, 12,711.93 and 6,252.07 is: 9,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.40 : 12,711.93 = 6,252.07 : x
  2. Step 2: Convert to fraction form
    8,466.40/12,711.93 = 6,252.07/x
  3. Step 3: Cross multiply
    8,466.40x = 12,711.93 × 6,252.07
  4. Step 4: Simplify right side
    8,466.40x = 79,475,812.64
  5. Step 5: Solve for x
    x = 79,475,812.64/8,466.40
  6. Step 6: Final answer
    x = 9,387.20

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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.