Home / 10,107.36-13,948.07-5,631.03

Finding the Fourth Proportional to 10,107.36, 13,948.07 and 5,631.03

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Solution

The fourth proportional to 10,107.36, 13,948.07 and 5,631.03 is: 7,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.36 : 13,948.07 = 5,631.03 : x
  2. Step 2: Convert to fraction form
    10,107.36/13,948.07 = 5,631.03/x
  3. Step 3: Cross multiply
    10,107.36x = 13,948.07 × 5,631.03
  4. Step 4: Simplify right side
    10,107.36x = 78,541,972.46
  5. Step 5: Solve for x
    x = 78,541,972.46/10,107.36
  6. Step 6: Final answer
    x = 7,770.77

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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.