Home / 10,166.46-14,029.83-5,690.64

Finding the Fourth Proportional to 10,166.46, 14,029.83 and 5,690.64

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Solution

The fourth proportional to 10,166.46, 14,029.83 and 5,690.64 is: 7,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.46 : 14,029.83 = 5,690.64 : x
  2. Step 2: Convert to fraction form
    10,166.46/14,029.83 = 5,690.64/x
  3. Step 3: Cross multiply
    10,166.46x = 14,029.83 × 5,690.64
  4. Step 4: Simplify right side
    10,166.46x = 79,838,711.79
  5. Step 5: Solve for x
    x = 79,838,711.79/10,166.46
  6. Step 6: Final answer
    x = 7,853.15

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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.