Home / 11,364.22-15,679.46-7,329.34

Finding the Fourth Proportional to 11,364.22, 15,679.46 and 7,329.34

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Solution

The fourth proportional to 11,364.22, 15,679.46 and 7,329.34 is: 10,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.22 : 15,679.46 = 7,329.34 : x
  2. Step 2: Convert to fraction form
    11,364.22/15,679.46 = 7,329.34/x
  3. Step 3: Cross multiply
    11,364.22x = 15,679.46 × 7,329.34
  4. Step 4: Simplify right side
    11,364.22x = 114,920,056.71
  5. Step 5: Solve for x
    x = 114,920,056.71/11,364.22
  6. Step 6: Final answer
    x = 10,112.45

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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.