Home / 7,332.09-10,118.16-4,145.33

Finding the Fourth Proportional to 7,332.09, 10,118.16 and 4,145.33

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Solution

The fourth proportional to 7,332.09, 10,118.16 and 4,145.33 is: 5,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.09 : 10,118.16 = 4,145.33 : x
  2. Step 2: Convert to fraction form
    7,332.09/10,118.16 = 4,145.33/x
  3. Step 3: Cross multiply
    7,332.09x = 10,118.16 × 4,145.33
  4. Step 4: Simplify right side
    7,332.09x = 41,943,137.49
  5. Step 5: Solve for x
    x = 41,943,137.49/7,332.09
  6. Step 6: Final answer
    x = 5,720.49

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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.