Home / 11,295.88-16,941.74-4,720.30

Finding the Fourth Proportional to 11,295.88, 16,941.74 and 4,720.30

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Solution

The fourth proportional to 11,295.88, 16,941.74 and 4,720.30 is: 7,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.88 : 16,941.74 = 4,720.30 : x
  2. Step 2: Convert to fraction form
    11,295.88/16,941.74 = 4,720.30/x
  3. Step 3: Cross multiply
    11,295.88x = 16,941.74 × 4,720.30
  4. Step 4: Simplify right side
    11,295.88x = 79,970,095.32
  5. Step 5: Solve for x
    x = 79,970,095.32/11,295.88
  6. Step 6: Final answer
    x = 7,079.58

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1.5x scale

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.