Home / 9,518.08-14,278.44-2,943.40

Finding the Fourth Proportional to 9,518.08, 14,278.44 and 2,943.40

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Solution

The fourth proportional to 9,518.08, 14,278.44 and 2,943.40 is: 4,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.08 : 14,278.44 = 2,943.40 : x
  2. Step 2: Convert to fraction form
    9,518.08/14,278.44 = 2,943.40/x
  3. Step 3: Cross multiply
    9,518.08x = 14,278.44 × 2,943.40
  4. Step 4: Simplify right side
    9,518.08x = 42,027,160.30
  5. Step 5: Solve for x
    x = 42,027,160.30/9,518.08
  6. Step 6: Final answer
    x = 4,415.51

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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.