Home / 10,039.92-13,855.15-5,563.96

Finding the Fourth Proportional to 10,039.92, 13,855.15 and 5,563.96

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Solution

The fourth proportional to 10,039.92, 13,855.15 and 5,563.96 is: 7,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.92 : 13,855.15 = 5,563.96 : x
  2. Step 2: Convert to fraction form
    10,039.92/13,855.15 = 5,563.96/x
  3. Step 3: Cross multiply
    10,039.92x = 13,855.15 × 5,563.96
  4. Step 4: Simplify right side
    10,039.92x = 77,089,472.71
  5. Step 5: Solve for x
    x = 77,089,472.71/10,039.92
  6. Step 6: Final answer
    x = 7,678.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.