Home / 10,994.16-15,164.88-7,635.36

Finding the Fourth Proportional to 10,994.16, 15,164.88 and 7,635.36

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Solution

The fourth proportional to 10,994.16, 15,164.88 and 7,635.36 is: 10,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.16 : 15,164.88 = 7,635.36 : x
  2. Step 2: Convert to fraction form
    10,994.16/15,164.88 = 7,635.36/x
  3. Step 3: Cross multiply
    10,994.16x = 15,164.88 × 7,635.36
  4. Step 4: Simplify right side
    10,994.16x = 115,789,318.16
  5. Step 5: Solve for x
    x = 115,789,318.16/10,994.16
  6. Step 6: Final answer
    x = 10,531.89

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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.