Home / 8,065.24-11,127.18-5,272.36

Finding the Fourth Proportional to 8,065.24, 11,127.18 and 5,272.36

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Solution

The fourth proportional to 8,065.24, 11,127.18 and 5,272.36 is: 7,273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.24 : 11,127.18 = 5,272.36 : x
  2. Step 2: Convert to fraction form
    8,065.24/11,127.18 = 5,272.36/x
  3. Step 3: Cross multiply
    8,065.24x = 11,127.18 × 5,272.36
  4. Step 4: Simplify right side
    8,065.24x = 58,666,498.74
  5. Step 5: Solve for x
    x = 58,666,498.74/8,065.24
  6. Step 6: Final answer
    x = 7,273.99

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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.