Home / 7,120.94-10,681.44-4,671.26

Finding the Fourth Proportional to 7,120.94, 10,681.44 and 4,671.26

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Solution

The fourth proportional to 7,120.94, 10,681.44 and 4,671.26 is: 7,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.94 : 10,681.44 = 4,671.26 : x
  2. Step 2: Convert to fraction form
    7,120.94/10,681.44 = 4,671.26/x
  3. Step 3: Cross multiply
    7,120.94x = 10,681.44 × 4,671.26
  4. Step 4: Simplify right side
    7,120.94x = 49,895,783.41
  5. Step 5: Solve for x
    x = 49,895,783.41/7,120.94
  6. Step 6: Final answer
    x = 7,006.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.