Home / 8,720.23-12,033.99-4,741.34

Finding the Fourth Proportional to 8,720.23, 12,033.99 and 4,741.34

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Solution

The fourth proportional to 8,720.23, 12,033.99 and 4,741.34 is: 6,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.23 : 12,033.99 = 4,741.34 : x
  2. Step 2: Convert to fraction form
    8,720.23/12,033.99 = 4,741.34/x
  3. Step 3: Cross multiply
    8,720.23x = 12,033.99 × 4,741.34
  4. Step 4: Simplify right side
    8,720.23x = 57,057,238.15
  5. Step 5: Solve for x
    x = 57,057,238.15/8,720.23
  6. Step 6: Final answer
    x = 6,543.09

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1.5x scale

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.