Home / 7,378.98-11,068.51-2,184.90

Finding the Fourth Proportional to 7,378.98, 11,068.51 and 2,184.90

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Solution

The fourth proportional to 7,378.98, 11,068.51 and 2,184.90 is: 3,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.98 : 11,068.51 = 2,184.90 : x
  2. Step 2: Convert to fraction form
    7,378.98/11,068.51 = 2,184.90/x
  3. Step 3: Cross multiply
    7,378.98x = 11,068.51 × 2,184.90
  4. Step 4: Simplify right side
    7,378.98x = 24,183,587.50
  5. Step 5: Solve for x
    x = 24,183,587.50/7,378.98
  6. Step 6: Final answer
    x = 3,277.36

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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.