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Finding the Fourth Proportional to 10,758.40, 14,846.16 and 6,282.40

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Solution

The fourth proportional to 10,758.40, 14,846.16 and 6,282.40 is: 8,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,758.40 : 14,846.16 = 6,282.40 : x
  2. Step 2: Convert to fraction form
    10,758.40/14,846.16 = 6,282.40/x
  3. Step 3: Cross multiply
    10,758.40x = 14,846.16 × 6,282.40
  4. Step 4: Simplify right side
    10,758.40x = 93,269,515.58
  5. Step 5: Solve for x
    x = 93,269,515.58/10,758.40
  6. Step 6: Final answer
    x = 8,669.46

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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.