Home / 10,768.50-16,159.23-4,612.50

Finding the Fourth Proportional to 10,768.50, 16,159.23 and 4,612.50

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Solution

The fourth proportional to 10,768.50, 16,159.23 and 4,612.50 is: 6,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.50 : 16,159.23 = 4,612.50 : x
  2. Step 2: Convert to fraction form
    10,768.50/16,159.23 = 4,612.50/x
  3. Step 3: Cross multiply
    10,768.50x = 16,159.23 × 4,612.50
  4. Step 4: Simplify right side
    10,768.50x = 74,534,448.38
  5. Step 5: Solve for x
    x = 74,534,448.38/10,768.50
  6. Step 6: Final answer
    x = 6,921.53

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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.