Home / 7,615.74-10,505.34-4,471.32

Finding the Fourth Proportional to 7,615.74, 10,505.34 and 4,471.32

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Solution

The fourth proportional to 7,615.74, 10,505.34 and 4,471.32 is: 6,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.74 : 10,505.34 = 4,471.32 : x
  2. Step 2: Convert to fraction form
    7,615.74/10,505.34 = 4,471.32/x
  3. Step 3: Cross multiply
    7,615.74x = 10,505.34 × 4,471.32
  4. Step 4: Simplify right side
    7,615.74x = 46,972,736.85
  5. Step 5: Solve for x
    x = 46,972,736.85/7,615.74
  6. Step 6: Final answer
    x = 6,167.85

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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.