Home / 10,470.20-14,434.00-8,326.94

Finding the Fourth Proportional to 10,470.20, 14,434.00 and 8,326.94

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Solution

The fourth proportional to 10,470.20, 14,434.00 and 8,326.94 is: 11,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.20 : 14,434.00 = 8,326.94 : x
  2. Step 2: Convert to fraction form
    10,470.20/14,434.00 = 8,326.94/x
  3. Step 3: Cross multiply
    10,470.20x = 14,434.00 × 8,326.94
  4. Step 4: Simplify right side
    10,470.20x = 120,190,958.97
  5. Step 5: Solve for x
    x = 120,190,958.97/10,470.20
  6. Step 6: Final answer
    x = 11,479.34

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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.