Home / 10,040.43-13,855.22-5,563.92

Finding the Fourth Proportional to 10,040.43, 13,855.22 and 5,563.92

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Solution

The fourth proportional to 10,040.43, 13,855.22 and 5,563.92 is: 7,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.43 : 13,855.22 = 5,563.92 : x
  2. Step 2: Convert to fraction form
    10,040.43/13,855.22 = 5,563.92/x
  3. Step 3: Cross multiply
    10,040.43x = 13,855.22 × 5,563.92
  4. Step 4: Simplify right side
    10,040.43x = 77,089,307.84
  5. Step 5: Solve for x
    x = 77,089,307.84/10,040.43
  6. Step 6: Final answer
    x = 7,677.89

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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.