Home / 9,679.86-13,358.04-5,701.26

Finding the Fourth Proportional to 9,679.86, 13,358.04 and 5,701.26

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Solution

The fourth proportional to 9,679.86, 13,358.04 and 5,701.26 is: 7,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679.86 : 13,358.04 = 5,701.26 : x
  2. Step 2: Convert to fraction form
    9,679.86/13,358.04 = 5,701.26/x
  3. Step 3: Cross multiply
    9,679.86x = 13,358.04 × 5,701.26
  4. Step 4: Simplify right side
    9,679.86x = 76,157,659.13
  5. Step 5: Solve for x
    x = 76,157,659.13/9,679.86
  6. Step 6: Final answer
    x = 7,867.64

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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.