Home / 9,240.31-13,838.39-5,332.87

Finding the Fourth Proportional to 9,240.31, 13,838.39 and 5,332.87

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Solution

The fourth proportional to 9,240.31, 13,838.39 and 5,332.87 is: 7,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.31 : 13,838.39 = 5,332.87 : x
  2. Step 2: Convert to fraction form
    9,240.31/13,838.39 = 5,332.87/x
  3. Step 3: Cross multiply
    9,240.31x = 13,838.39 × 5,332.87
  4. Step 4: Simplify right side
    9,240.31x = 73,798,239.02
  5. Step 5: Solve for x
    x = 73,798,239.02/9,240.31
  6. Step 6: Final answer
    x = 7,986.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.