Home / 7,838.87-10,817.43-4,302.41

Finding the Fourth Proportional to 7,838.87, 10,817.43 and 4,302.41

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Solution

The fourth proportional to 7,838.87, 10,817.43 and 4,302.41 is: 5,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.87 : 10,817.43 = 4,302.41 : x
  2. Step 2: Convert to fraction form
    7,838.87/10,817.43 = 4,302.41/x
  3. Step 3: Cross multiply
    7,838.87x = 10,817.43 × 4,302.41
  4. Step 4: Simplify right side
    7,838.87x = 46,541,019.01
  5. Step 5: Solve for x
    x = 46,541,019.01/7,838.87
  6. Step 6: Final answer
    x = 5,937.21

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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.