Home / 9,874.12-14,810.10-2,947

Finding the Fourth Proportional to 9,874.12, 14,810.10 and 2,947

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Solution

The fourth proportional to 9,874.12, 14,810.10 and 2,947 is: 4,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874.12 : 14,810.10 = 2,947 : x
  2. Step 2: Convert to fraction form
    9,874.12/14,810.10 = 2,947/x
  3. Step 3: Cross multiply
    9,874.12x = 14,810.10 × 2,947
  4. Step 4: Simplify right side
    9,874.12x = 43,645,364.70
  5. Step 5: Solve for x
    x = 43,645,364.70/9,874.12
  6. Step 6: Final answer
    x = 4,420.18

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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.