Home / 10,926.80-16,392.63-3,135

Finding the Fourth Proportional to 10,926.80, 16,392.63 and 3,135

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Solution

The fourth proportional to 10,926.80, 16,392.63 and 3,135 is: 4,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.80 : 16,392.63 = 3,135 : x
  2. Step 2: Convert to fraction form
    10,926.80/16,392.63 = 3,135/x
  3. Step 3: Cross multiply
    10,926.80x = 16,392.63 × 3,135
  4. Step 4: Simplify right side
    10,926.80x = 51,390,895.05
  5. Step 5: Solve for x
    x = 51,390,895.05/10,926.80
  6. Step 6: Final answer
    x = 4,703.20

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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.