Home / 10,710.81-16,070.27-4,137.39

Finding the Fourth Proportional to 10,710.81, 16,070.27 and 4,137.39

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Solution

The fourth proportional to 10,710.81, 16,070.27 and 4,137.39 is: 6,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.81 : 16,070.27 = 4,137.39 : x
  2. Step 2: Convert to fraction form
    10,710.81/16,070.27 = 4,137.39/x
  3. Step 3: Cross multiply
    10,710.81x = 16,070.27 × 4,137.39
  4. Step 4: Simplify right side
    10,710.81x = 66,488,953.71
  5. Step 5: Solve for x
    x = 66,488,953.71/10,710.81
  6. Step 6: Final answer
    x = 6,207.65

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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.