Home / 7,440.85-10,268.91-4,918.59

Finding the Fourth Proportional to 7,440.85, 10,268.91 and 4,918.59

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Solution

The fourth proportional to 7,440.85, 10,268.91 and 4,918.59 is: 6,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.85 : 10,268.91 = 4,918.59 : x
  2. Step 2: Convert to fraction form
    7,440.85/10,268.91 = 4,918.59/x
  3. Step 3: Cross multiply
    7,440.85x = 10,268.91 × 4,918.59
  4. Step 4: Simplify right side
    7,440.85x = 50,508,558.04
  5. Step 5: Solve for x
    x = 50,508,558.04/7,440.85
  6. Step 6: Final answer
    x = 6,788.01

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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.