Home / 10,713.80-16,064.94-3,315.08

Finding the Fourth Proportional to 10,713.80, 16,064.94 and 3,315.08

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Solution

The fourth proportional to 10,713.80, 16,064.94 and 3,315.08 is: 4,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.80 : 16,064.94 = 3,315.08 : x
  2. Step 2: Convert to fraction form
    10,713.80/16,064.94 = 3,315.08/x
  3. Step 3: Cross multiply
    10,713.80x = 16,064.94 × 3,315.08
  4. Step 4: Simplify right side
    10,713.80x = 53,256,561.30
  5. Step 5: Solve for x
    x = 53,256,561.30/10,713.80
  6. Step 6: Final answer
    x = 4,970.84

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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.