Home / 10,956.32-16,430.75-3,558.94

Finding the Fourth Proportional to 10,956.32, 16,430.75 and 3,558.94

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Solution

The fourth proportional to 10,956.32, 16,430.75 and 3,558.94 is: 5,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.32 : 16,430.75 = 3,558.94 : x
  2. Step 2: Convert to fraction form
    10,956.32/16,430.75 = 3,558.94/x
  3. Step 3: Cross multiply
    10,956.32x = 16,430.75 × 3,558.94
  4. Step 4: Simplify right side
    10,956.32x = 58,476,053.41
  5. Step 5: Solve for x
    x = 58,476,053.41/10,956.32
  6. Step 6: Final answer
    x = 5,337.20

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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.