Home / 8,850.60-12,207.51-5,703.75

Finding the Fourth Proportional to 8,850.60, 12,207.51 and 5,703.75

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Solution

The fourth proportional to 8,850.60, 12,207.51 and 5,703.75 is: 7,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.60 : 12,207.51 = 5,703.75 : x
  2. Step 2: Convert to fraction form
    8,850.60/12,207.51 = 5,703.75/x
  3. Step 3: Cross multiply
    8,850.60x = 12,207.51 × 5,703.75
  4. Step 4: Simplify right side
    8,850.60x = 69,628,585.16
  5. Step 5: Solve for x
    x = 69,628,585.16/8,850.60
  6. Step 6: Final answer
    x = 7,867.10

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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.