Home / 8,980.32-13,471.98-4,049.85

Finding the Fourth Proportional to 8,980.32, 13,471.98 and 4,049.85

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Solution

The fourth proportional to 8,980.32, 13,471.98 and 4,049.85 is: 6,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.32 : 13,471.98 = 4,049.85 : x
  2. Step 2: Convert to fraction form
    8,980.32/13,471.98 = 4,049.85/x
  3. Step 3: Cross multiply
    8,980.32x = 13,471.98 × 4,049.85
  4. Step 4: Simplify right side
    8,980.32x = 54,559,498.20
  5. Step 5: Solve for x
    x = 54,559,498.20/8,980.32
  6. Step 6: Final answer
    x = 6,075.45

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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.