Home / 6,515.72-9,003.60-4,744.24

Finding the Fourth Proportional to 6,515.72, 9,003.60 and 4,744.24

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Solution

The fourth proportional to 6,515.72, 9,003.60 and 4,744.24 is: 6,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.72 : 9,003.60 = 4,744.24 : x
  2. Step 2: Convert to fraction form
    6,515.72/9,003.60 = 4,744.24/x
  3. Step 3: Cross multiply
    6,515.72x = 9,003.60 × 4,744.24
  4. Step 4: Simplify right side
    6,515.72x = 42,715,239.26
  5. Step 5: Solve for x
    x = 42,715,239.26/6,515.72
  6. Step 6: Final answer
    x = 6,555.72

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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.