Home / 8,742.36-12,065.58-5,016.36

Finding the Fourth Proportional to 8,742.36, 12,065.58 and 5,016.36

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Solution

The fourth proportional to 8,742.36, 12,065.58 and 5,016.36 is: 6,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.36 : 12,065.58 = 5,016.36 : x
  2. Step 2: Convert to fraction form
    8,742.36/12,065.58 = 5,016.36/x
  3. Step 3: Cross multiply
    8,742.36x = 12,065.58 × 5,016.36
  4. Step 4: Simplify right side
    8,742.36x = 60,525,292.89
  5. Step 5: Solve for x
    x = 60,525,292.89/8,742.36
  6. Step 6: Final answer
    x = 6,923.22

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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.