Home / 7,623.12-11,343.36-7,597.20

Finding the Fourth Proportional to 7,623.12, 11,343.36 and 7,597.20

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Solution

The fourth proportional to 7,623.12, 11,343.36 and 7,597.20 is: 11,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.12 : 11,343.36 = 7,597.20 : x
  2. Step 2: Convert to fraction form
    7,623.12/11,343.36 = 7,597.20/x
  3. Step 3: Cross multiply
    7,623.12x = 11,343.36 × 7,597.20
  4. Step 4: Simplify right side
    7,623.12x = 86,177,774.59
  5. Step 5: Solve for x
    x = 86,177,774.59/7,623.12
  6. Step 6: Final answer
    x = 11,304.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.