Home / 9,894.72-14,839.65-3,320.76

Finding the Fourth Proportional to 9,894.72, 14,839.65 and 3,320.76

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Solution

The fourth proportional to 9,894.72, 14,839.65 and 3,320.76 is: 4,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894.72 : 14,839.65 = 3,320.76 : x
  2. Step 2: Convert to fraction form
    9,894.72/14,839.65 = 3,320.76/x
  3. Step 3: Cross multiply
    9,894.72x = 14,839.65 × 3,320.76
  4. Step 4: Simplify right side
    9,894.72x = 49,278,916.13
  5. Step 5: Solve for x
    x = 49,278,916.13/9,894.72
  6. Step 6: Final answer
    x = 4,980.32

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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.