Home / 11,163.51-15,405.23-6,624.17

Finding the Fourth Proportional to 11,163.51, 15,405.23 and 6,624.17

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Solution

The fourth proportional to 11,163.51, 15,405.23 and 6,624.17 is: 9,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.51 : 15,405.23 = 6,624.17 : x
  2. Step 2: Convert to fraction form
    11,163.51/15,405.23 = 6,624.17/x
  3. Step 3: Cross multiply
    11,163.51x = 15,405.23 × 6,624.17
  4. Step 4: Simplify right side
    11,163.51x = 102,046,752.26
  5. Step 5: Solve for x
    x = 102,046,752.26/11,163.51
  6. Step 6: Final answer
    x = 9,141.10

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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.