Home / 10,700.91-16,051.37-2,909.72

Finding the Fourth Proportional to 10,700.91, 16,051.37 and 2,909.72

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Solution

The fourth proportional to 10,700.91, 16,051.37 and 2,909.72 is: 4,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.91 : 16,051.37 = 2,909.72 : x
  2. Step 2: Convert to fraction form
    10,700.91/16,051.37 = 2,909.72/x
  3. Step 3: Cross multiply
    10,700.91x = 16,051.37 × 2,909.72
  4. Step 4: Simplify right side
    10,700.91x = 46,705,017.90
  5. Step 5: Solve for x
    x = 46,705,017.90/10,700.91
  6. Step 6: Final answer
    x = 4,364.58

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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.