Home / 10,700.72-16,051.13-2,909.53

Finding the Fourth Proportional to 10,700.72, 16,051.13 and 2,909.53

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Solution

The fourth proportional to 10,700.72, 16,051.13 and 2,909.53 is: 4,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.72 : 16,051.13 = 2,909.53 : x
  2. Step 2: Convert to fraction form
    10,700.72/16,051.13 = 2,909.53/x
  3. Step 3: Cross multiply
    10,700.72x = 16,051.13 × 2,909.53
  4. Step 4: Simplify right side
    10,700.72x = 46,701,260.70
  5. Step 5: Solve for x
    x = 46,701,260.70/10,700.72
  6. Step 6: Final answer
    x = 4,364.31

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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.