Home / 10,040.14-13,855.47-5,563.96

Finding the Fourth Proportional to 10,040.14, 13,855.47 and 5,563.96

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Solution

The fourth proportional to 10,040.14, 13,855.47 and 5,563.96 is: 7,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.14 : 13,855.47 = 5,563.96 : x
  2. Step 2: Convert to fraction form
    10,040.14/13,855.47 = 5,563.96/x
  3. Step 3: Cross multiply
    10,040.14x = 13,855.47 × 5,563.96
  4. Step 4: Simplify right side
    10,040.14x = 77,091,324.16
  5. Step 5: Solve for x
    x = 77,091,324.16/10,040.14
  6. Step 6: Final answer
    x = 7,678.31

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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.