Home / 9,629.88-13,285.80-5,650.08

Finding the Fourth Proportional to 9,629.88, 13,285.80 and 5,650.08

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Solution

The fourth proportional to 9,629.88, 13,285.80 and 5,650.08 is: 7,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.88 : 13,285.80 = 5,650.08 : x
  2. Step 2: Convert to fraction form
    9,629.88/13,285.80 = 5,650.08/x
  3. Step 3: Cross multiply
    9,629.88x = 13,285.80 × 5,650.08
  4. Step 4: Simplify right side
    9,629.88x = 75,065,832.86
  5. Step 5: Solve for x
    x = 75,065,832.86/9,629.88
  6. Step 6: Final answer
    x = 7,795.10

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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.