Home / 9,914.33-13,681.84-5,438.11

Finding the Fourth Proportional to 9,914.33, 13,681.84 and 5,438.11

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Solution

The fourth proportional to 9,914.33, 13,681.84 and 5,438.11 is: 7,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.33 : 13,681.84 = 5,438.11 : x
  2. Step 2: Convert to fraction form
    9,914.33/13,681.84 = 5,438.11/x
  3. Step 3: Cross multiply
    9,914.33x = 13,681.84 × 5,438.11
  4. Step 4: Simplify right side
    9,914.33x = 74,403,350.92
  5. Step 5: Solve for x
    x = 74,403,350.92/9,914.33
  6. Step 6: Final answer
    x = 7,504.63

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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.