Home / 8,720.24-12,033.87-4,741.35

Finding the Fourth Proportional to 8,720.24, 12,033.87 and 4,741.35

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Solution

The fourth proportional to 8,720.24, 12,033.87 and 4,741.35 is: 6,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.24 : 12,033.87 = 4,741.35 : x
  2. Step 2: Convert to fraction form
    8,720.24/12,033.87 = 4,741.35/x
  3. Step 3: Cross multiply
    8,720.24x = 12,033.87 × 4,741.35
  4. Step 4: Simplify right side
    8,720.24x = 57,056,834.65
  5. Step 5: Solve for x
    x = 57,056,834.65/8,720.24
  6. Step 6: Final answer
    x = 6,543.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.