Home / 10,949.10-16,425.45-4,712.10

Finding the Fourth Proportional to 10,949.10, 16,425.45 and 4,712.10

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Solution

The fourth proportional to 10,949.10, 16,425.45 and 4,712.10 is: 7,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.10 : 16,425.45 = 4,712.10 : x
  2. Step 2: Convert to fraction form
    10,949.10/16,425.45 = 4,712.10/x
  3. Step 3: Cross multiply
    10,949.10x = 16,425.45 × 4,712.10
  4. Step 4: Simplify right side
    10,949.10x = 77,398,362.95
  5. Step 5: Solve for x
    x = 77,398,362.95/10,949.10
  6. Step 6: Final answer
    x = 7,068.92

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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.