Home / 10,754.76-16,136.27-5,207.68

Finding the Fourth Proportional to 10,754.76, 16,136.27 and 5,207.68

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Solution

The fourth proportional to 10,754.76, 16,136.27 and 5,207.68 is: 7,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.76 : 16,136.27 = 5,207.68 : x
  2. Step 2: Convert to fraction form
    10,754.76/16,136.27 = 5,207.68/x
  3. Step 3: Cross multiply
    10,754.76x = 16,136.27 × 5,207.68
  4. Step 4: Simplify right side
    10,754.76x = 84,032,482.74
  5. Step 5: Solve for x
    x = 84,032,482.74/10,754.76
  6. Step 6: Final answer
    x = 7,813.52

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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.