Home / 10,529.96-15,787.62-5,332.28

Finding the Fourth Proportional to 10,529.96, 15,787.62 and 5,332.28

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Solution

The fourth proportional to 10,529.96, 15,787.62 and 5,332.28 is: 7,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.96 : 15,787.62 = 5,332.28 : x
  2. Step 2: Convert to fraction form
    10,529.96/15,787.62 = 5,332.28/x
  3. Step 3: Cross multiply
    10,529.96x = 15,787.62 × 5,332.28
  4. Step 4: Simplify right side
    10,529.96x = 84,184,010.37
  5. Step 5: Solve for x
    x = 84,184,010.37/10,529.96
  6. Step 6: Final answer
    x = 7,994.71

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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.