Home / 9,820.92-13,549.60-5,571.56

Finding the Fourth Proportional to 9,820.92, 13,549.60 and 5,571.56

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Solution

The fourth proportional to 9,820.92, 13,549.60 and 5,571.56 is: 7,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.92 : 13,549.60 = 5,571.56 : x
  2. Step 2: Convert to fraction form
    9,820.92/13,549.60 = 5,571.56/x
  3. Step 3: Cross multiply
    9,820.92x = 13,549.60 × 5,571.56
  4. Step 4: Simplify right side
    9,820.92x = 75,492,409.38
  5. Step 5: Solve for x
    x = 75,492,409.38/9,820.92
  6. Step 6: Final answer
    x = 7,686.90

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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.