Home / 9,608.07-13,258.78-5,358.90

Finding the Fourth Proportional to 9,608.07, 13,258.78 and 5,358.90

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Solution

The fourth proportional to 9,608.07, 13,258.78 and 5,358.90 is: 7,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,608.07 : 13,258.78 = 5,358.90 : x
  2. Step 2: Convert to fraction form
    9,608.07/13,258.78 = 5,358.90/x
  3. Step 3: Cross multiply
    9,608.07x = 13,258.78 × 5,358.90
  4. Step 4: Simplify right side
    9,608.07x = 71,052,476.14
  5. Step 5: Solve for x
    x = 71,052,476.14/9,608.07
  6. Step 6: Final answer
    x = 7,395.08

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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.