Home / 7,944.90-11,913.57-4,659

Finding the Fourth Proportional to 7,944.90, 11,913.57 and 4,659

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Solution

The fourth proportional to 7,944.90, 11,913.57 and 4,659 is: 6,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.90 : 11,913.57 = 4,659 : x
  2. Step 2: Convert to fraction form
    7,944.90/11,913.57 = 4,659/x
  3. Step 3: Cross multiply
    7,944.90x = 11,913.57 × 4,659
  4. Step 4: Simplify right side
    7,944.90x = 55,505,322.63
  5. Step 5: Solve for x
    x = 55,505,322.63/7,944.90
  6. Step 6: Final answer
    x = 6,986.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.