Home / 7,136.14-9,847.86-4,341.64

Finding the Fourth Proportional to 7,136.14, 9,847.86 and 4,341.64

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Solution

The fourth proportional to 7,136.14, 9,847.86 and 4,341.64 is: 5,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.14 : 9,847.86 = 4,341.64 : x
  2. Step 2: Convert to fraction form
    7,136.14/9,847.86 = 4,341.64/x
  3. Step 3: Cross multiply
    7,136.14x = 9,847.86 × 4,341.64
  4. Step 4: Simplify right side
    7,136.14x = 42,755,862.89
  5. Step 5: Solve for x
    x = 42,755,862.89/7,136.14
  6. Step 6: Final answer
    x = 5,991.46

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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.