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Finding the Fourth Proportional to 10,243.32, 14,133.28 and 6,263

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Solution

The fourth proportional to 10,243.32, 14,133.28 and 6,263 is: 8,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.32 : 14,133.28 = 6,263 : x
  2. Step 2: Convert to fraction form
    10,243.32/14,133.28 = 6,263/x
  3. Step 3: Cross multiply
    10,243.32x = 14,133.28 × 6,263
  4. Step 4: Simplify right side
    10,243.32x = 88,516,732.64
  5. Step 5: Solve for x
    x = 88,516,732.64/10,243.32
  6. Step 6: Final answer
    x = 8,641.41

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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.