Home / 7,322.88-10,110.84-6,613.32

Finding the Fourth Proportional to 7,322.88, 10,110.84 and 6,613.32

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Solution

The fourth proportional to 7,322.88, 10,110.84 and 6,613.32 is: 9,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.88 : 10,110.84 = 6,613.32 : x
  2. Step 2: Convert to fraction form
    7,322.88/10,110.84 = 6,613.32/x
  3. Step 3: Cross multiply
    7,322.88x = 10,110.84 × 6,613.32
  4. Step 4: Simplify right side
    7,322.88x = 66,866,220.39
  5. Step 5: Solve for x
    x = 66,866,220.39/7,322.88
  6. Step 6: Final answer
    x = 9,131.14

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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.