Home / 7,519.98-10,382.30-4,832.40

Finding the Fourth Proportional to 7,519.98, 10,382.30 and 4,832.40

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Solution

The fourth proportional to 7,519.98, 10,382.30 and 4,832.40 is: 6,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.98 : 10,382.30 = 4,832.40 : x
  2. Step 2: Convert to fraction form
    7,519.98/10,382.30 = 4,832.40/x
  3. Step 3: Cross multiply
    7,519.98x = 10,382.30 × 4,832.40
  4. Step 4: Simplify right side
    7,519.98x = 50,171,459.41
  5. Step 5: Solve for x
    x = 50,171,459.41/7,519.98
  6. Step 6: Final answer
    x = 6,671.75

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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.