Home / 7,611.87-10,505.15-4,426.14

Finding the Fourth Proportional to 7,611.87, 10,505.15 and 4,426.14

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Solution

The fourth proportional to 7,611.87, 10,505.15 and 4,426.14 is: 6,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.87 : 10,505.15 = 4,426.14 : x
  2. Step 2: Convert to fraction form
    7,611.87/10,505.15 = 4,426.14/x
  3. Step 3: Cross multiply
    7,611.87x = 10,505.15 × 4,426.14
  4. Step 4: Simplify right side
    7,611.87x = 46,497,242.49
  5. Step 5: Solve for x
    x = 46,497,242.49/7,611.87
  6. Step 6: Final answer
    x = 6,108.52

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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.