Home / 10,313.74-14,222.20-6,121.18

Finding the Fourth Proportional to 10,313.74, 14,222.20 and 6,121.18

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Solution

The fourth proportional to 10,313.74, 14,222.20 and 6,121.18 is: 8,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.74 : 14,222.20 = 6,121.18 : x
  2. Step 2: Convert to fraction form
    10,313.74/14,222.20 = 6,121.18/x
  3. Step 3: Cross multiply
    10,313.74x = 14,222.20 × 6,121.18
  4. Step 4: Simplify right side
    10,313.74x = 87,056,646.20
  5. Step 5: Solve for x
    x = 87,056,646.20/10,313.74
  6. Step 6: Final answer
    x = 8,440.84

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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.