Home / 27,330.51-40,995.05-7,610.43

Finding the Fourth Proportional to 27,330.51, 40,995.05 and 7,610.43

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Solution

The fourth proportional to 27,330.51, 40,995.05 and 7,610.43 is: 11,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.51 : 40,995.05 = 7,610.43 : x
  2. Step 2: Convert to fraction form
    27,330.51/40,995.05 = 7,610.43/x
  3. Step 3: Cross multiply
    27,330.51x = 40,995.05 × 7,610.43
  4. Step 4: Simplify right side
    27,330.51x = 311,989,920.32
  5. Step 5: Solve for x
    x = 311,989,920.32/27,330.51
  6. Step 6: Final answer
    x = 11,415.44

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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.