Home / 7,617.60-10,512.52-4,260.32

Finding the Fourth Proportional to 7,617.60, 10,512.52 and 4,260.32

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Solution

The fourth proportional to 7,617.60, 10,512.52 and 4,260.32 is: 5,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.60 : 10,512.52 = 4,260.32 : x
  2. Step 2: Convert to fraction form
    7,617.60/10,512.52 = 4,260.32/x
  3. Step 3: Cross multiply
    7,617.60x = 10,512.52 × 4,260.32
  4. Step 4: Simplify right side
    7,617.60x = 44,786,699.21
  5. Step 5: Solve for x
    x = 44,786,699.21/7,617.60
  6. Step 6: Final answer
    x = 5,879.37

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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.