Home / 8,055.09-11,118.75-4,870.17

Finding the Fourth Proportional to 8,055.09, 11,118.75 and 4,870.17

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Solution

The fourth proportional to 8,055.09, 11,118.75 and 4,870.17 is: 6,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.09 : 11,118.75 = 4,870.17 : x
  2. Step 2: Convert to fraction form
    8,055.09/11,118.75 = 4,870.17/x
  3. Step 3: Cross multiply
    8,055.09x = 11,118.75 × 4,870.17
  4. Step 4: Simplify right side
    8,055.09x = 54,150,202.69
  5. Step 5: Solve for x
    x = 54,150,202.69/8,055.09
  6. Step 6: Final answer
    x = 6,722.48

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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.