Home / 7,329.36-10,122.72-6,542.16

Finding the Fourth Proportional to 7,329.36, 10,122.72 and 6,542.16

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Solution

The fourth proportional to 7,329.36, 10,122.72 and 6,542.16 is: 9,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.36 : 10,122.72 = 6,542.16 : x
  2. Step 2: Convert to fraction form
    7,329.36/10,122.72 = 6,542.16/x
  3. Step 3: Cross multiply
    7,329.36x = 10,122.72 × 6,542.16
  4. Step 4: Simplify right side
    7,329.36x = 66,224,453.88
  5. Step 5: Solve for x
    x = 66,224,453.88/7,329.36
  6. Step 6: Final answer
    x = 9,035.50

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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.