Home / 11,318.22-15,624.63-7,963.92

Finding the Fourth Proportional to 11,318.22, 15,624.63 and 7,963.92

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Solution

The fourth proportional to 11,318.22, 15,624.63 and 7,963.92 is: 10,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.22 : 15,624.63 = 7,963.92 : x
  2. Step 2: Convert to fraction form
    11,318.22/15,624.63 = 7,963.92/x
  3. Step 3: Cross multiply
    11,318.22x = 15,624.63 × 7,963.92
  4. Step 4: Simplify right side
    11,318.22x = 124,433,303.35
  5. Step 5: Solve for x
    x = 124,433,303.35/11,318.22
  6. Step 6: Final answer
    x = 10,994.07

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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.