Home / 10,612.09-15,912.67-4,763.69

Finding the Fourth Proportional to 10,612.09, 15,912.67 and 4,763.69

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Solution

The fourth proportional to 10,612.09, 15,912.67 and 4,763.69 is: 7,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.09 : 15,912.67 = 4,763.69 : x
  2. Step 2: Convert to fraction form
    10,612.09/15,912.67 = 4,763.69/x
  3. Step 3: Cross multiply
    10,612.09x = 15,912.67 × 4,763.69
  4. Step 4: Simplify right side
    10,612.09x = 75,803,003.13
  5. Step 5: Solve for x
    x = 75,803,003.13/10,612.09
  6. Step 6: Final answer
    x = 7,143.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.