Home / 10,150.80-14,019.09-6,972.46

Finding the Fourth Proportional to 10,150.80, 14,019.09 and 6,972.46

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Solution

The fourth proportional to 10,150.80, 14,019.09 and 6,972.46 is: 9,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.80 : 14,019.09 = 6,972.46 : x
  2. Step 2: Convert to fraction form
    10,150.80/14,019.09 = 6,972.46/x
  3. Step 3: Cross multiply
    10,150.80x = 14,019.09 × 6,972.46
  4. Step 4: Simplify right side
    10,150.80x = 97,747,544.26
  5. Step 5: Solve for x
    x = 97,747,544.26/10,150.80
  6. Step 6: Final answer
    x = 9,629.54

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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.