Home / 9,650.19-13,319.90-5,672.60

Finding the Fourth Proportional to 9,650.19, 13,319.90 and 5,672.60

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Solution

The fourth proportional to 9,650.19, 13,319.90 and 5,672.60 is: 7,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,650.19 : 13,319.90 = 5,672.60 : x
  2. Step 2: Convert to fraction form
    9,650.19/13,319.90 = 5,672.60/x
  3. Step 3: Cross multiply
    9,650.19x = 13,319.90 × 5,672.60
  4. Step 4: Simplify right side
    9,650.19x = 75,558,464.74
  5. Step 5: Solve for x
    x = 75,558,464.74/9,650.19
  6. Step 6: Final answer
    x = 7,829.74

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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.