Home / 10,626.48-16,019.30-9,912.87

Finding the Fourth Proportional to 10,626.48, 16,019.30 and 9,912.87

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Solution

The fourth proportional to 10,626.48, 16,019.30 and 9,912.87 is: 14,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.48 : 16,019.30 = 9,912.87 : x
  2. Step 2: Convert to fraction form
    10,626.48/16,019.30 = 9,912.87/x
  3. Step 3: Cross multiply
    10,626.48x = 16,019.30 × 9,912.87
  4. Step 4: Simplify right side
    10,626.48x = 158,797,158.29
  5. Step 5: Solve for x
    x = 158,797,158.29/10,626.48
  6. Step 6: Final answer
    x = 14,943.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.