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Finding the Fourth Proportional to 10,463.98, 14,440.95 and 6,921.04

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Solution

The fourth proportional to 10,463.98, 14,440.95 and 6,921.04 is: 9,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.98 : 14,440.95 = 6,921.04 : x
  2. Step 2: Convert to fraction form
    10,463.98/14,440.95 = 6,921.04/x
  3. Step 3: Cross multiply
    10,463.98x = 14,440.95 × 6,921.04
  4. Step 4: Simplify right side
    10,463.98x = 99,946,392.59
  5. Step 5: Solve for x
    x = 99,946,392.59/10,463.98
  6. Step 6: Final answer
    x = 9,551.47

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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.