Home / 9,448.95-13,040.39-5,672.26

Finding the Fourth Proportional to 9,448.95, 13,040.39 and 5,672.26

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Solution

The fourth proportional to 9,448.95, 13,040.39 and 5,672.26 is: 7,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448.95 : 13,040.39 = 5,672.26 : x
  2. Step 2: Convert to fraction form
    9,448.95/13,040.39 = 5,672.26/x
  3. Step 3: Cross multiply
    9,448.95x = 13,040.39 × 5,672.26
  4. Step 4: Simplify right side
    9,448.95x = 73,968,513.06
  5. Step 5: Solve for x
    x = 73,968,513.06/9,448.95
  6. Step 6: Final answer
    x = 7,828.22

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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.