Home / 10,040.11-13,855.34-5,564.14

Finding the Fourth Proportional to 10,040.11, 13,855.34 and 5,564.14

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Solution

The fourth proportional to 10,040.11, 13,855.34 and 5,564.14 is: 7,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.11 : 13,855.34 = 5,564.14 : x
  2. Step 2: Convert to fraction form
    10,040.11/13,855.34 = 5,564.14/x
  3. Step 3: Cross multiply
    10,040.11x = 13,855.34 × 5,564.14
  4. Step 4: Simplify right side
    10,040.11x = 77,092,954.41
  5. Step 5: Solve for x
    x = 77,092,954.41/10,040.11
  6. Step 6: Final answer
    x = 7,678.50

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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.