Home / 11,148.17-16,723.79-6,470.39

Finding the Fourth Proportional to 11,148.17, 16,723.79 and 6,470.39

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Solution

The fourth proportional to 11,148.17, 16,723.79 and 6,470.39 is: 9,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.17 : 16,723.79 = 6,470.39 : x
  2. Step 2: Convert to fraction form
    11,148.17/16,723.79 = 6,470.39/x
  3. Step 3: Cross multiply
    11,148.17x = 16,723.79 × 6,470.39
  4. Step 4: Simplify right side
    11,148.17x = 108,209,376.14
  5. Step 5: Solve for x
    x = 108,209,376.14/11,148.17
  6. Step 6: Final answer
    x = 9,706.47

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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.