Home / 9,421.57-13,004.09-5,444.97

Finding the Fourth Proportional to 9,421.57, 13,004.09 and 5,444.97

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Solution

The fourth proportional to 9,421.57, 13,004.09 and 5,444.97 is: 7,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.57 : 13,004.09 = 5,444.97 : x
  2. Step 2: Convert to fraction form
    9,421.57/13,004.09 = 5,444.97/x
  3. Step 3: Cross multiply
    9,421.57x = 13,004.09 × 5,444.97
  4. Step 4: Simplify right side
    9,421.57x = 70,806,928.13
  5. Step 5: Solve for x
    x = 70,806,928.13/9,421.57
  6. Step 6: Final answer
    x = 7,515.41

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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.