Home / 8,270.24-11,409.70-4,731.56

Finding the Fourth Proportional to 8,270.24, 11,409.70 and 4,731.56

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Solution

The fourth proportional to 8,270.24, 11,409.70 and 4,731.56 is: 6,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.24 : 11,409.70 = 4,731.56 : x
  2. Step 2: Convert to fraction form
    8,270.24/11,409.70 = 4,731.56/x
  3. Step 3: Cross multiply
    8,270.24x = 11,409.70 × 4,731.56
  4. Step 4: Simplify right side
    8,270.24x = 53,985,680.13
  5. Step 5: Solve for x
    x = 53,985,680.13/8,270.24
  6. Step 6: Final answer
    x = 6,527.70

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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.