Home / 9,629.20-13,295.80-7,387.52

Finding the Fourth Proportional to 9,629.20, 13,295.80 and 7,387.52

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Solution

The fourth proportional to 9,629.20, 13,295.80 and 7,387.52 is: 10,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.20 : 13,295.80 = 7,387.52 : x
  2. Step 2: Convert to fraction form
    9,629.20/13,295.80 = 7,387.52/x
  3. Step 3: Cross multiply
    9,629.20x = 13,295.80 × 7,387.52
  4. Step 4: Simplify right side
    9,629.20x = 98,222,988.42
  5. Step 5: Solve for x
    x = 98,222,988.42/9,629.20
  6. Step 6: Final answer
    x = 10,200.53

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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.